-31=-9b+8b

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Solution for -31=-9b+8b equation:


Simplifying
-31 = -9b + 8b

Combine like terms: -9b + 8b = -1b
-31 = -1b

Solving
-31 = -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.
-31 + b = -1b + b

Combine like terms: -1b + b = 0
-31 + b = 0

Add '31' to each side of the equation.
-31 + 31 + b = 0 + 31

Combine like terms: -31 + 31 = 0
0 + b = 0 + 31
b = 0 + 31

Combine like terms: 0 + 31 = 31
b = 31

Simplifying
b = 31

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