-7(b-4)=20-7b

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Solution for -7(b-4)=20-7b equation: 


Simplifying
-7(b + -4) = 20 + -7b

Reorder the terms:
-7(-4 + b) = 20 + -7b
(-4 * -7 + b * -7) = 20 + -7b
(28 + -7b) = 20 + -7b

Add '7b' to each side of the equation.
28 + -7b + 7b = 20 + -7b + 7b

Combine like terms: -7b + 7b = 0
28 + 0 = 20 + -7b + 7b
28 = 20 + -7b + 7b

Combine like terms: -7b + 7b = 0
28 = 20 + 0
28 = 20

Solving
28 = 20

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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