7(8+4b)=-84

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Solution for 7(8+4b)=-84 equation: 


Simplifying
7(8 + 4b) = -84
(8 * 7 + 4b * 7) = -84
(56 + 28b) = -84

Solving
56 + 28b = -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 + 28b = -84 + -56

Combine like terms: 56 + -56 = 0
0 + 28b = -84 + -56
28b = -84 + -56

Combine like terms: -84 + -56 = -140
28b = -140

Divide each side by '28'.
b = -5

Simplifying
b = -5

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