12-b=-17

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Solution for 12-b=-17 equation: 


Simplifying
12 + -1b = -17

Solving
12 + -1b = -17

Solving for variable 'b'.

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

Add '-12' to each side of the equation.
12 + -12 + -1b = -17 + -12

Combine like terms: 12 + -12 = 0
0 + -1b = -17 + -12
-1b = -17 + -12

Combine like terms: -17 + -12 = -29
-1b = -29

Divide each side by '-1'.
b = 29

Simplifying
b = 29

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