-4-2b=7-2b

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Solution for -4-2b=7-2b equation: 


Simplifying
-4 + -2b = 7 + -2b

Add '2b' to each side of the equation.
-4 + -2b + 2b = 7 + -2b + 2b

Combine like terms: -2b + 2b = 0
-4 + 0 = 7 + -2b + 2b
-4 = 7 + -2b + 2b

Combine like terms: -2b + 2b = 0
-4 = 7 + 0
-4 = 7

Solving
-4 = 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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