A+B+12=180

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Solution for A+B+12=180 equation:


Simplifying
A + B + 12 = 180

Reorder the terms:
12 + A + B = 180

Solving
12 + A + B = 180

Solving for variable 'A'.

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

Add '-12' to each side of the equation.
12 + A + -12 + B = 180 + -12

Reorder the terms:
12 + -12 + A + B = 180 + -12

Combine like terms: 12 + -12 = 0
0 + A + B = 180 + -12
A + B = 180 + -12

Combine like terms: 180 + -12 = 168
A + B = 168

Add '-1B' to each side of the equation.
A + B + -1B = 168 + -1B

Combine like terms: B + -1B = 0
A + 0 = 168 + -1B
A = 168 + -1B

Simplifying
A = 168 + -1B

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