12.70-b+9=

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Solution for 12.70-b+9= equation:


Simplifying
12.70 + -1b + 9 = 0

Reorder the terms:
12.70 + 9 + -1b = 0

Combine like terms: 12.70 + 9 = 21.7
21.7 + -1b = 0

Solving
21.7 + -1b = 0

Solving for variable 'b'.

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

Add '-21.7' to each side of the equation.
21.7 + -21.7 + -1b = 0 + -21.7

Combine like terms: 21.7 + -21.7 = 0.0
0.0 + -1b = 0 + -21.7
-1b = 0 + -21.7

Combine like terms: 0 + -21.7 = -21.7
-1b = -21.7

Divide each side by '-1'.
b = 21.7

Simplifying
b = 21.7

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