43+A+B=55

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Solution for 43+A+B=55 equation:


Simplifying
43 + A + B = 55

Solving
43 + A + B = 55

Solving for variable 'A'.

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

Add '-43' to each side of the equation.
43 + A + -43 + B = 55 + -43

Reorder the terms:
43 + -43 + A + B = 55 + -43

Combine like terms: 43 + -43 = 0
0 + A + B = 55 + -43
A + B = 55 + -43

Combine like terms: 55 + -43 = 12
A + B = 12

Add '-1B' to each side of the equation.
A + B + -1B = 12 + -1B

Combine like terms: B + -1B = 0
A + 0 = 12 + -1B
A = 12 + -1B

Simplifying
A = 12 + -1B

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