-12+7b=-40

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Solution for -12+7b=-40 equation: 


Simplifying
-12 + 7b = -40

Solving
-12 + 7b = -40

Solving for variable 'b'.

Move all terms containing b to the left, all other terms to the right.

Add '12' to each side of the equation.
-12 + 12 + 7b = -40 + 12

Combine like terms: -12 + 12 = 0
0 + 7b = -40 + 12
7b = -40 + 12

Combine like terms: -40 + 12 = -28
7b = -28

Divide each side by '7'.
b = -4

Simplifying
b = -4

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