8-7w=-20

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Solution for 8-7w=-20 equation: 


w in (-oo:+oo)

8-(7*w) = -20 // + 20

8-(7*w)+20 = 0

8-7*w+20 = 0

28-7*w = 0 // - 28

-7*w = -28 // : -7

w = -28/(-7)

w = 4

w = 4

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