7+w=3w+15

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Solution for 7+w=3w+15 equation: 


w in (-oo:+oo)

w+7 = 3*w+15 // - 3*w+15

w-(3*w)-15+7 = 0

w-3*w-15+7 = 0

-2*w-8 = 0 // + 8

-2*w = 8 // : -2

w = 8/(-2)

w = -4

w = -4

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