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2.2E: Ulinganisho wa mstari katika Variable Moja (Mazoezi)

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    178025

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    Kwa mazoezi yafuatayo, tatua\(x\).

    12. \(5 x+2=7 x-8\)
    13. \(3(x+2)-10=x+4\)
    14. \(7 x-3=5\)
    15. \(12-5(x+1)=2 x-5\)
    16. \(\frac{2 x}{3}-\frac{3}{4}=\frac{x}{6}+\frac{21}{4}\)

    Kwa mazoezi yafuatayo, tatua kwa\(x .\) Jimbo zote\(x\) -maadili ambayo yameondolewa kwenye kuweka suluhisho.

    17. \(\frac{x}{x^{2}-9}+\frac{4}{x+3}=\frac{3}{x^{2}-9} x \neq 3,-3\)
    18. \(\frac{1}{2}+\frac{2}{x}=\frac{3}{4}\)

    Kwa mazoezi yafuatayo, pata usawa wa mstari ukitumia formula ya mteremko wa uhakika.

    19. Inapita kupitia pointi hizi mbili: (-2,1), (4,2).
    20. Inapita kupitia hatua (-3,4) na ina mteremko wa\(-\frac{1}{3}\).
    21. Inapita kupitia hatua (-3,4) na ni sawa na grafu\(y=\frac{2}{3} x+5\)
    22. Hupitia pointi hizi mbili: (5,1), (5,7).