-3b+2b-b=12+5+1

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Solution for -3b+2b-b=12+5+1 equation: 


Simplifying
-3b + 2b + -1b = 12 + 5 + 1

Combine like terms: -3b + 2b = -1b
-1b + -1b = 12 + 5 + 1

Combine like terms: -1b + -1b = -2b
-2b = 12 + 5 + 1

Combine like terms: 12 + 5 = 17
-2b = 17 + 1

Combine like terms: 17 + 1 = 18
-2b = 18

Solving
-2b = 18

Solving for variable 'b'.

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

Divide each side by '-2'.
b = -9

Simplifying
b = -9

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