-4(1+2b)=-8-7b

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Solution for -4(1+2b)=-8-7b equation:


Simplifying
-4(1 + 2b) = -8 + -7b
(1 * -4 + 2b * -4) = -8 + -7b
(-4 + -8b) = -8 + -7b

Solving
-4 + -8b = -8 + -7b

Solving for variable 'b'.

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

Add '7b' to each side of the equation.
-4 + -8b + 7b = -8 + -7b + 7b

Combine like terms: -8b + 7b = -1b
-4 + -1b = -8 + -7b + 7b

Combine like terms: -7b + 7b = 0
-4 + -1b = -8 + 0
-4 + -1b = -8

Add '4' to each side of the equation.
-4 + 4 + -1b = -8 + 4

Combine like terms: -4 + 4 = 0
0 + -1b = -8 + 4
-1b = -8 + 4

Combine like terms: -8 + 4 = -4
-1b = -4

Divide each side by '-1'.
b = 4

Simplifying
b = 4

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