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

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


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

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

Reorder the terms:
40 + -2b = -2(-4 + 5b)
40 + -2b = (-4 * -2 + 5b * -2)
40 + -2b = (8 + -10b)

Solving
40 + -2b = 8 + -10b

Solving for variable 'b'.

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

Add '10b' to each side of the equation.
40 + -2b + 10b = 8 + -10b + 10b

Combine like terms: -2b + 10b = 8b
40 + 8b = 8 + -10b + 10b

Combine like terms: -10b + 10b = 0
40 + 8b = 8 + 0
40 + 8b = 8

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

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

Combine like terms: 8 + -40 = -32
8b = -32

Divide each side by '8'.
b = -4

Simplifying
b = -4

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