4(b-4)-5(b-1)=-12

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Solution for 4(b-4)-5(b-1)=-12 equation:


Simplifying
4(b + -4) + -5(b + -1) = -12

Reorder the terms:
4(-4 + b) + -5(b + -1) = -12
(-4 * 4 + b * 4) + -5(b + -1) = -12
(-16 + 4b) + -5(b + -1) = -12

Reorder the terms:
-16 + 4b + -5(-1 + b) = -12
-16 + 4b + (-1 * -5 + b * -5) = -12
-16 + 4b + (5 + -5b) = -12

Reorder the terms:
-16 + 5 + 4b + -5b = -12

Combine like terms: -16 + 5 = -11
-11 + 4b + -5b = -12

Combine like terms: 4b + -5b = -1b
-11 + -1b = -12

Solving
-11 + -1b = -12

Solving for variable 'b'.

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

Add '11' to each side of the equation.
-11 + 11 + -1b = -12 + 11

Combine like terms: -11 + 11 = 0
0 + -1b = -12 + 11
-1b = -12 + 11

Combine like terms: -12 + 11 = -1
-1b = -1

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

Simplifying
b = 1

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