2b-8=-1b+7

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Solution for 2b-8=-1b+7 equation:


Simplifying
2b + -8 = -1b + 7

Reorder the terms:
-8 + 2b = -1b + 7

Reorder the terms:
-8 + 2b = 7 + -1b

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

Solving for variable 'b'.

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

Add 'b' to each side of the equation.
-8 + 2b + b = 7 + -1b + b

Combine like terms: 2b + b = 3b
-8 + 3b = 7 + -1b + b

Combine like terms: -1b + b = 0
-8 + 3b = 7 + 0
-8 + 3b = 7

Add '8' to each side of the equation.
-8 + 8 + 3b = 7 + 8

Combine like terms: -8 + 8 = 0
0 + 3b = 7 + 8
3b = 7 + 8

Combine like terms: 7 + 8 = 15
3b = 15

Divide each side by '3'.
b = 5

Simplifying
b = 5

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