-4b+40=-4(2b-5)

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Solution for -4b+40=-4(2b-5) equation:


Simplifying
-4b + 40 = -4(2b + -5)

Reorder the terms:
40 + -4b = -4(2b + -5)

Reorder the terms:
40 + -4b = -4(-5 + 2b)
40 + -4b = (-5 * -4 + 2b * -4)
40 + -4b = (20 + -8b)

Solving
40 + -4b = 20 + -8b

Solving for variable 'b'.

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

Add '8b' to each side of the equation.
40 + -4b + 8b = 20 + -8b + 8b

Combine like terms: -4b + 8b = 4b
40 + 4b = 20 + -8b + 8b

Combine like terms: -8b + 8b = 0
40 + 4b = 20 + 0
40 + 4b = 20

Add '-40' to each side of the equation.
40 + -40 + 4b = 20 + -40

Combine like terms: 40 + -40 = 0
0 + 4b = 20 + -40
4b = 20 + -40

Combine like terms: 20 + -40 = -20
4b = -20

Divide each side by '4'.
b = -5

Simplifying
b = -5

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