3(-7-x)=-39

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Solution for 3(-7-x)=-39 equation: 


x in (-oo:+oo)

3*(-x-7) = -39 // + 39

3*(-x-7)+39 = 0

3*(-x-7)+39 = 0

18-3*x = 0

18-3*x = 0

18-3*x = 0 // - 18

-3*x = -18 // : -3

x = -18/(-3)

x = 6

x = 6

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