-5(4b-4)-7=133

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Solution for -5(4b-4)-7=133 equation:


Simplifying
-5(4b + -4) + -7 = 133

Reorder the terms:
-5(-4 + 4b) + -7 = 133
(-4 * -5 + 4b * -5) + -7 = 133
(20 + -20b) + -7 = 133

Reorder the terms:
20 + -7 + -20b = 133

Combine like terms: 20 + -7 = 13
13 + -20b = 133

Solving
13 + -20b = 133

Solving for variable 'b'.

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

Add '-13' to each side of the equation.
13 + -13 + -20b = 133 + -13

Combine like terms: 13 + -13 = 0
0 + -20b = 133 + -13
-20b = 133 + -13

Combine like terms: 133 + -13 = 120
-20b = 120

Divide each side by '-20'.
b = -6

Simplifying
b = -6

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