3+5x=7x-7

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Solution for 3+5x=7x-7 equation: 


x in (-oo:+oo)

5*x+3 = 7*x-7 // - 7*x-7

5*x-(7*x)+3+7 = 0

5*x-7*x+3+7 = 0

10-2*x = 0 // - 10

-2*x = -10 // : -2

x = -10/(-2)

x = 5

x = 5

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