2b-b+3=15

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Solution for 2b-b+3=15 equation:


Simplifying
2b + -1b + 3 = 15

Reorder the terms:
3 + 2b + -1b = 15

Combine like terms: 2b + -1b = 1b
3 + 1b = 15

Solving
3 + 1b = 15

Solving for variable 'b'.

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

Add '-3' to each side of the equation.
3 + -3 + 1b = 15 + -3

Combine like terms: 3 + -3 = 0
0 + 1b = 15 + -3
1b = 15 + -3

Combine like terms: 15 + -3 = 12
1b = 12

Divide each side by '1'.
b = 12

Simplifying
b = 12

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