3-2w=7

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Solution for 3-2w=7 equation: 


w in (-oo:+oo)

3-(2*w) = 7 // - 7

3-(2*w)-7 = 0

3-2*w-7 = 0

-2*w-4 = 0 // + 4

-2*w = 4 // : -2

w = 4/(-2)

w = -2

w = -2

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