3(7-3b)=-15

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Solution for 3(7-3b)=-15 equation: 


b in (-oo:+oo)

3*(7-(3*b)) = -15 // + 15

3*(7-(3*b))+15 = 0

3*(7-3*b)+15 = 0

3*(7-3*b)+15 = 0

36-9*b = 0

36-9*b = 0

36-9*b = 0 // - 36

-9*b = -36 // : -9

b = -36/(-9)

b = 4

b = 4

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