12b-8=7b+7

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Solution for 12b-8=7b+7 equation:


Simplifying
12b + -8 = 7b + 7

Reorder the terms:
-8 + 12b = 7b + 7

Reorder the terms:
-8 + 12b = 7 + 7b

Solving
-8 + 12b = 7 + 7b

Solving for variable 'b'.

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

Add '-7b' to each side of the equation.
-8 + 12b + -7b = 7 + 7b + -7b

Combine like terms: 12b + -7b = 5b
-8 + 5b = 7 + 7b + -7b

Combine like terms: 7b + -7b = 0
-8 + 5b = 7 + 0
-8 + 5b = 7

Add '8' to each side of the equation.
-8 + 8 + 5b = 7 + 8

Combine like terms: -8 + 8 = 0
0 + 5b = 7 + 8
5b = 7 + 8

Combine like terms: 7 + 8 = 15
5b = 15

Divide each side by '5'.
b = 3

Simplifying
b = 3

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