-5(5+7b)=255

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Solution for -5(5+7b)=255 equation: 


Simplifying
-5(5 + 7b) = 255
(5 * -5 + 7b * -5) = 255
(-25 + -35b) = 255

Solving
-25 + -35b = 255

Solving for variable 'b'.

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

Add '25' to each side of the equation.
-25 + 25 + -35b = 255 + 25

Combine like terms: -25 + 25 = 0
0 + -35b = 255 + 25
-35b = 255 + 25

Combine like terms: 255 + 25 = 280
-35b = 280

Divide each side by '-35'.
b = -8

Simplifying
b = -8

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