7+5x=-4x+79 - solution

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Solution for 7+5x=-4x+79 equation:

x in (-oo:+oo)

5*x+7 = 79-4*x // - 79-4*x

5*x-(-4*x)-79+7 = 0

5*x+4*x-79+7 = 0

9*x-72 = 0 // + 72

9*x = 72 // : 9

x = 72/9

x = 8

x = 8

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