-4(-2b-7)=77

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Solution for -4(-2b-7)=77 equation:


Simplifying
-4(-2b + -7) = 77

Reorder the terms:
-4(-7 + -2b) = 77
(-7 * -4 + -2b * -4) = 77
(28 + 8b) = 77

Solving
28 + 8b = 77

Solving for variable 'b'.

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

Add '-28' to each side of the equation.
28 + -28 + 8b = 77 + -28

Combine like terms: 28 + -28 = 0
0 + 8b = 77 + -28
8b = 77 + -28

Combine like terms: 77 + -28 = 49
8b = 49

Divide each side by '8'.
b = 6.125

Simplifying
b = 6.125

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