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Solve Equations with Rational Coefficients. 1.2x = 36 Check your answer. 1.2 30 = x Check 1.2x = 36 1.2(30) = 36 ? 36 = 36 ? 120 = -0.24y -0.24 - 500.

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Presentation on theme: "Solve Equations with Rational Coefficients. 1.2x = 36 Check your answer. 1.2 30 = x Check 1.2x = 36 1.2(30) = 36 ? 36 = 36 ? 120 = -0.24y -0.24 - 500."— Presentation transcript:

1 Solve Equations with Rational Coefficients

2 1.2x = 36 Check your answer. 1.2 30 = x Check 1.2x = 36 1.2(30) = 36 ? 36 = 36 ? 120 = -0.24y -0.24 - 500 = y Check 120 = -0.24y 120 = 0.24(-500) ? 120 = 120 ? 120 = - 0.24y. Check your answer. 1.2x = 36 EX2) EX1)

3 2/3 x = 52. Check your answer. 2/3 Check 2/3(78) = 51 ? 52 = 52 2/3 x = 52 1x = 52 ÷ 2/3 52 1 2 3 1 3 2 = = X ÷ 1 26 = 26 X 3 = 78 2/3 x = 52 2 3 78 1 = X 1 26 51 ? EX3)

4 6/7 x = - 40. Check your answer. 6/7 Check 6/7(-46 2/3) = - 40 ? -40 = -40 6/7 x = - 40 1x = - 40 ÷ 6/7 -40 1 6 7 1 7 6 = = X ÷ 3 20 = - 46 2/3 6/7 x = - 40 2 -20 = X -40 ? -20 1 7 3 X -140 3 = = 3 6 7 X = ? - 40 11 2 -20 EX4)

5 Assignment Page 525 1-6 all

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