-b+3b=2b

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Solution for -b+3b=2b equation: 


Simplifying
-1b + 3b = 2b

Combine like terms: -1b + 3b = 2b
2b = 2b

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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