-b+3=15+b

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


Simplifying
-1b + 3 = 15 + b

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

Solving
3 + -1b = 15 + b

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 = 15 + b + -1b

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

Combine like terms: b + -1b = 0
3 + -2b = 15 + 0
3 + -2b = 15

Add '-3' to each side of the equation.
3 + -3 + -2b = 15 + -3

Combine like terms: 3 + -3 = 0
0 + -2b = 15 + -3
-2b = 15 + -3

Combine like terms: 15 + -3 = 12
-2b = 12

Divide each side by '-2'.
b = -6

Simplifying
b = -6

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