-5(b+5)+3(b-12)=-75

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Solution for -5(b+5)+3(b-12)=-75 equation:


Simplifying
-5(b + 5) + 3(b + -12) = -75

Reorder the terms:
-5(5 + b) + 3(b + -12) = -75
(5 * -5 + b * -5) + 3(b + -12) = -75
(-25 + -5b) + 3(b + -12) = -75

Reorder the terms:
-25 + -5b + 3(-12 + b) = -75
-25 + -5b + (-12 * 3 + b * 3) = -75
-25 + -5b + (-36 + 3b) = -75

Reorder the terms:
-25 + -36 + -5b + 3b = -75

Combine like terms: -25 + -36 = -61
-61 + -5b + 3b = -75

Combine like terms: -5b + 3b = -2b
-61 + -2b = -75

Solving
-61 + -2b = -75

Solving for variable 'b'.

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

Add '61' to each side of the equation.
-61 + 61 + -2b = -75 + 61

Combine like terms: -61 + 61 = 0
0 + -2b = -75 + 61
-2b = -75 + 61

Combine like terms: -75 + 61 = -14
-2b = -14

Divide each side by '-2'.
b = 7

Simplifying
b = 7

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