-1b+3b=7b+2b

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Solution for -1b+3b=7b+2b equation: 


Simplifying
-1b + 3b = 7b + 2b

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

Combine like terms: 7b + 2b = 9b
2b = 9b

Solving
2b = 9b

Solving for variable 'b'.

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

Add '-9b' to each side of the equation.
2b + -9b = 9b + -9b

Combine like terms: 2b + -9b = -7b
-7b = 9b + -9b

Combine like terms: 9b + -9b = 0
-7b = 0

Divide each side by '-7'.
b = 0

Simplifying
b = 0

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