Question: 7. 2x - 7 = 13 8. -3x +8 = -26 9. 2(x + 4) - (x +5)=16 10. 3(2x - 1) - 2(2x +

7. 2x - 7 = 13 8. -3x +8 = -26 9. 2(x + 4) - (x +5)=16 10. 3(2x - 1) - 2(2x + 3) = 3x - 10 11. =x -; 12 12. _ - 3 2 Solve each linear equation. Some equations may be identities or contradictions 13. 0.05x + 0.11(x + 20) -8 14. 0.1x + 0.5 - 0.3(x - 10) - 0.7 15 3(x - 5) = 4x - 15 - x 16 4(x - 2) - x - 3(x + 2) Solve each formula for the specified variable 17. Solve P - R12 for R. 18. Solve A = =h(b, + b2) for h

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