-8(5+6b)=15+7b

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Solution for -8(5+6b)=15+7b equation:


Simplifying
-8(5 + 6b) = 15 + 7b
(5 * -8 + 6b * -8) = 15 + 7b
(-40 + -48b) = 15 + 7b

Solving
-40 + -48b = 15 + 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.
-40 + -48b + -7b = 15 + 7b + -7b

Combine like terms: -48b + -7b = -55b
-40 + -55b = 15 + 7b + -7b

Combine like terms: 7b + -7b = 0
-40 + -55b = 15 + 0
-40 + -55b = 15

Add '40' to each side of the equation.
-40 + 40 + -55b = 15 + 40

Combine like terms: -40 + 40 = 0
0 + -55b = 15 + 40
-55b = 15 + 40

Combine like terms: 15 + 40 = 55
-55b = 55

Divide each side by '-55'.
b = -1

Simplifying
b = -1

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