8.E: Kutatua usawa wa mstari (Mazoezi)
- Page ID
- 173340
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Katika mazoezi yafuatayo, onyesha kama nambari iliyotolewa ni suluhisho la equation.
- x + 16 = 31, x = 15
- w - 8 = 5, w = 3
- -9n = 45, n = 54
- 4a = 72, a = 18
Katika mazoezi yafuatayo, tatua equation kwa kutumia Mali ya Kuondoa ya Usawa.
- x + 7 = 19
- y + 2 = -6
- a +\(\dfrac{1}{3} = \dfrac{5}{3}\)
- n + 3.6 = 5.1
Katika mazoezi yafuatayo, tatua equation kwa kutumia Mali ya Kuongeza ya Usawa.
- u - 7 = 10
- x - 9 = -4
- c -\(\dfrac{3}{11} = \dfrac{9}{11}\)
- p -4.8 = 14
Katika mazoezi yafuatayo, tatua equation.
- n - 12 = 32
- y + 16 = -9
- f +\(\dfrac{2}{3}\) = 4
- d - 3.9 = 8.2
- y + 8 ÷ 15 = -3
- 7x + 10 - 6x + 3 = 5
- 6 (n - 1) - 5n = -14
- 8 (3p + 5) - 23 (p - 1) = 35
Katika mazoezi yafuatayo, tafsiri kila sentensi ya Kiingereza kwenye equation ya algebraic na kisha kuitatua.
- Jumla ya -6 na m ni 25.
- Nne chini ya n ni 13.
Katika mazoezi yafuatayo, tafsiri katika equation ya algebraic na kutatua.
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8.2 - Tatua Equations kwa kutumia Idara na Kuzidisha Mali ya Usawa
Katika mazoezi yafuatayo, tatua kila equation kwa kutumia Mali ya Idara ya Usawa.
- 8x = 72
- 13a = -65
- 0.25p = 5.25
- -y = 4
Katika mazoezi yafuatayo, tatua kila equation kwa kutumia Mali ya Kuzidisha ya Usawa.
- \(\dfrac{n}{6}\)= 18
- y -10 = 30
- 36 =\(\dfrac{3}{4}\) x
- \(\dfrac{5}{8} u = \dfrac{15}{16}\)
Katika mazoezi yafuatayo, tatua kila equation.
- -18m = -72
- \(\dfrac{c}{9}\)= 36
- 0.45x = 6.75
- \(\dfrac{11}{12} = \dfrac{2}{3} y\)
- 5r - 3r + 9r = 35 ÷ 2
- 24x + 8x - 11x = -7,114
8.3 - Tatua Ulinganisho na Vigezo na Vipindi vya Pande zote mbili
Katika mazoezi yafuatayo, tatua equations na mara kwa mara pande zote mbili.
- 8p + 7 = 47
- 10w - 5 = 65
- 3x + 19 = -47
- 32 = -4 - 9n
Katika mazoezi yafuatayo, tatua equations na vigezo pande zote mbili.
- 7y = 6y - 13
- 5a + 21 = 2a
- k = -6k - 35
- 4x -\(\dfrac{3}{8}\) = 3x
Katika mazoezi yafuatayo, tatua equations na mara kwa mara na vigezo pande zote mbili.
- 12x - 9 = 3x + 45
- 5n - 20 = -7n - 80
- 4u + 16 = 19-19 - u
- \(\dfrac{5}{8} c\)- 4 =\(\dfrac{3}{8} c\) + 4
Katika mazoezi yafuatayo, tatua kila equation linear kwa kutumia mkakati wa jumla.
- 6 (x + 6) = 24
- 9 (2p - 5) = 72
- - (s + 4) = 18
- 8 + 3 (n - 9) = 17
- 23 - 3 (y - 7) = 8
- \(\dfrac{1}{3}\)(6m + 21) = m - 7
- 8 (r - 2) = 6 (r + 10)
- 5 + 7 (2 - 5x) = 2 (9x + 1) - (13x - 57)
- 4 (3.5y + 0.25) = 365
- 0.25 (q - 8) = 0.1 (q + 7)
8.4 - Tatua equations na Fraction au Coefficients Decimal
Katika mazoezi yafuatayo, tatua kila equation kwa kufuta sehemu ndogo.
- \(\dfrac{2}{5} n − \dfrac{1}{10} = \dfrac{7}{10}\)
- \(\dfrac{1}{3} x + \dfrac{1}{5} x = 8\)
- \(\dfrac{3}{4} a − \dfrac{1}{3} = \dfrac{1}{2} a + \dfrac{5}{6}\)
- \(\dfrac{1}{2}\)(k + 3) =\(\dfrac{1}{3}\) (k + 16)
Katika mazoezi yafuatayo, tatua kila equation kwa kufuta decimals.
- 0.8x - 0.3 = 0.7x + 0.2
- 0.36u + 2.55 = 0.41u + 6.8
- 0.6p - 1.9 = 0.78p + 1.7
- 0.10d + 0.05 (d - 4) = 2.05
MTIHANI WA MAZOEZI
- Kuamua kama kila idadi ni suluhisho la equation. 3x + 5 = 23.
- 6
- \(\dfrac{23}{5}\)
Katika mazoezi yafuatayo, tatua kila equation.
- n - 18 = 31
- 9c = 144
- 4y - 8 = 16
- -8x - 15 + 9x - 1 = -21
- -15a = 120
- \(\dfrac{2}{3}\)x = 6
- x + 3.8 = 8.2
- 10y = -5y + 60
- 8n + 2 = 6n + 12
- 9m - 2 - 4m + m = 42 ÷ 8
- -5 (2x 1) = 45
- - (d + 9) = 23
- \(\dfrac{1}{3}\)(6m + 21) = m - 7
- 2 (6x + 5) - 8 = -22
- 8 (3a + 5) - 7 (4a - 3) = 20 - 3a
- \(\dfrac{1}{4} p + \dfrac{1}{3} = \dfrac{1}{2}\)
- 0.1d + 0.25 (d + 8) = 4.1
- Tafsiri na kutatua: Tofauti ya mara mbili x na 4 ni 16.
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