A+21=76

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Solution for A+21=76 equation: 


Simplifying
A + 21 = 76

Reorder the terms:
21 + A = 76

Solving
21 + A = 76

Solving for variable 'A'.

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

Add '-21' to each side of the equation.
21 + -21 + A = 76 + -21

Combine like terms: 21 + -21 = 0
0 + A = 76 + -21
A = 76 + -21

Combine like terms: 76 + -21 = 55
A = 55

Simplifying
A = 55

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