-3=2b-b

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Solution for -3=2b-b equation:


Simplifying
-3 = 2b + -1b

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

Solving
-3 = 1b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
-3 + -1b = 1b + -1b

Combine like terms: 1b + -1b = 0
-3 + -1b = 0

Add '3' to each side of the equation.
-3 + 3 + -1b = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -1b = 0 + 3
-1b = 0 + 3

Combine like terms: 0 + 3 = 3
-1b = 3

Divide each side by '-1'.
b = -3

Simplifying
b = -3

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