3(7-7w)=-189

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Solution for 3(7-7w)=-189 equation: 


w in (-oo:+oo)

3*(7-(7*w)) = -189 // + 189

3*(7-(7*w))+189 = 0

3*(7-7*w)+189 = 0

3*(7-7*w)+189 = 0

210-21*w = 0

210-21*w = 0

210-21*w = 0 // - 210

-21*w = -210 // : -21

w = -210/(-21)

w = 10

w = 10

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