8b+12-b=8b+7b+4

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Solution for 8b+12-b=8b+7b+4 equation:


Simplifying
8b + 12 + -1b = 8b + 7b + 4

Reorder the terms:
12 + 8b + -1b = 8b + 7b + 4

Combine like terms: 8b + -1b = 7b
12 + 7b = 8b + 7b + 4

Reorder the terms:
12 + 7b = 4 + 8b + 7b

Combine like terms: 8b + 7b = 15b
12 + 7b = 4 + 15b

Solving
12 + 7b = 4 + 15b

Solving for variable 'b'.

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

Add '-15b' to each side of the equation.
12 + 7b + -15b = 4 + 15b + -15b

Combine like terms: 7b + -15b = -8b
12 + -8b = 4 + 15b + -15b

Combine like terms: 15b + -15b = 0
12 + -8b = 4 + 0
12 + -8b = 4

Add '-12' to each side of the equation.
12 + -12 + -8b = 4 + -12

Combine like terms: 12 + -12 = 0
0 + -8b = 4 + -12
-8b = 4 + -12

Combine like terms: 4 + -12 = -8
-8b = -8

Divide each side by '-8'.
b = 1

Simplifying
b = 1

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