-2(7-8b)-6=-84

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Solution for -2(7-8b)-6=-84 equation:


Simplifying
-2(7 + -8b) + -6 = -84
(7 * -2 + -8b * -2) + -6 = -84
(-14 + 16b) + -6 = -84

Reorder the terms:
-14 + -6 + 16b = -84

Combine like terms: -14 + -6 = -20
-20 + 16b = -84

Solving
-20 + 16b = -84

Solving for variable 'b'.

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

Add '20' to each side of the equation.
-20 + 20 + 16b = -84 + 20

Combine like terms: -20 + 20 = 0
0 + 16b = -84 + 20
16b = -84 + 20

Combine like terms: -84 + 20 = -64
16b = -64

Divide each side by '16'.
b = -4

Simplifying
b = -4

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