A-3=7+2a

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Solution for A-3=7+2a equation: 


Simplifying
A + -3 = 7 + 2a

Reorder the terms:
-3 + A = 7 + 2a

Solving
-3 + A = 7 + 2a

Solving for variable 'A'.

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

Add '3' to each side of the equation.
-3 + 3 + A = 7 + 3 + 2a

Combine like terms: -3 + 3 = 0
0 + A = 7 + 3 + 2a
A = 7 + 3 + 2a

Combine like terms: 7 + 3 = 10
A = 10 + 2a

Simplifying
A = 10 + 2a

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