7(3+w)=-21

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Solution for 7(3+w)=-21 equation: 


w in (-oo:+oo)

7*(w+3) = -21 // + 21

7*(w+3)+21 = 0

7*(w+3)+21 = 0

7*w+42 = 0

7*w+42 = 0

7*w+42 = 0 // - 42

7*w = -42 // : 7

w = -42/7

w = -6

w = -6

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