-7x+9=18-4x

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Solution for -7x+9=18-4x equation: 


x in (-oo:+oo)

9-7*x = 18-(4*x) // - 18-(4*x)

4*x-7*x-18+9 = 0

-3*x-9 = 0 // + 9

-3*x = 9 // : -3

x = 9/(-3)

x = -3

x = -3

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