-7(8+2b)=-84

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Solution for -7(8+2b)=-84 equation: 


Simplifying
-7(8 + 2b) = -84
(8 * -7 + 2b * -7) = -84
(-56 + -14b) = -84

Solving
-56 + -14b = -84

Solving for variable 'b'.

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

Add '56' to each side of the equation.
-56 + 56 + -14b = -84 + 56

Combine like terms: -56 + 56 = 0
0 + -14b = -84 + 56
-14b = -84 + 56

Combine like terms: -84 + 56 = -28
-14b = -28

Divide each side by '-14'.
b = 2

Simplifying
b = 2

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