-b+5=b-7

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Solution for -b+5=b-7 equation:


Simplifying
-1b + 5 = b + -7

Reorder the terms:
5 + -1b = b + -7

Reorder the terms:
5 + -1b = -7 + b

Solving
5 + -1b = -7 + 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.
5 + -1b + -1b = -7 + b + -1b

Combine like terms: -1b + -1b = -2b
5 + -2b = -7 + b + -1b

Combine like terms: b + -1b = 0
5 + -2b = -7 + 0
5 + -2b = -7

Add '-5' to each side of the equation.
5 + -5 + -2b = -7 + -5

Combine like terms: 5 + -5 = 0
0 + -2b = -7 + -5
-2b = -7 + -5

Combine like terms: -7 + -5 = -12
-2b = -12

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

Simplifying
b = 6

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