5(b-4)+4b=9b-7

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Solution for 5(b-4)+4b=9b-7 equation: 


Simplifying
5(b + -4) + 4b = 9b + -7

Reorder the terms:
5(-4 + b) + 4b = 9b + -7
(-4 * 5 + b * 5) + 4b = 9b + -7
(-20 + 5b) + 4b = 9b + -7

Combine like terms: 5b + 4b = 9b
-20 + 9b = 9b + -7

Reorder the terms:
-20 + 9b = -7 + 9b

Add '-9b' to each side of the equation.
-20 + 9b + -9b = -7 + 9b + -9b

Combine like terms: 9b + -9b = 0
-20 + 0 = -7 + 9b + -9b
-20 = -7 + 9b + -9b

Combine like terms: 9b + -9b = 0
-20 = -7 + 0
-20 = -7

Solving
-20 = -7

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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