2b-8=b+7

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Solution for 2b-8=b+7 equation:


Simplifying
2b + -8 = b + 7

Reorder the terms:
-8 + 2b = b + 7

Reorder the terms:
-8 + 2b = 7 + b

Solving
-8 + 2b = 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.
-8 + 2b + -1b = 7 + b + -1b

Combine like terms: 2b + -1b = 1b
-8 + 1b = 7 + b + -1b

Combine like terms: b + -1b = 0
-8 + 1b = 7 + 0
-8 + 1b = 7

Add '8' to each side of the equation.
-8 + 8 + 1b = 7 + 8

Combine like terms: -8 + 8 = 0
0 + 1b = 7 + 8
1b = 7 + 8

Combine like terms: 7 + 8 = 15
1b = 15

Divide each side by '1'.
b = 15

Simplifying
b = 15

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