A+B=87

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Solution for A+B=87 equation: 


Simplifying
A + B = 87

Solving
A + B = 87

Solving for variable 'A'.

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

Add '-1B' to each side of the equation.
A + B + -1B = 87 + -1B

Combine like terms: B + -1B = 0
A + 0 = 87 + -1B
A = 87 + -1B

Simplifying
A = 87 + -1B

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