-5(7+8b)=125

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Solution for -5(7+8b)=125 equation: 


Simplifying
-5(7 + 8b) = 125
(7 * -5 + 8b * -5) = 125
(-35 + -40b) = 125

Solving
-35 + -40b = 125

Solving for variable 'b'.

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

Add '35' to each side of the equation.
-35 + 35 + -40b = 125 + 35

Combine like terms: -35 + 35 = 0
0 + -40b = 125 + 35
-40b = 125 + 35

Combine like terms: 125 + 35 = 160
-40b = 160

Divide each side by '-40'.
b = -4

Simplifying
b = -4

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