A+10=31

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Solution for A+10=31 equation: 


Simplifying
A + 10 = 31

Reorder the terms:
10 + A = 31

Solving
10 + A = 31

Solving for variable 'A'.

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

Add '-10' to each side of the equation.
10 + -10 + A = 31 + -10

Combine like terms: 10 + -10 = 0
0 + A = 31 + -10
A = 31 + -10

Combine like terms: 31 + -10 = 21
A = 21

Simplifying
A = 21

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