A-7=8+5

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Solution for A-7=8+5 equation: 


Simplifying
A + -7 = 8 + 5

Reorder the terms:
-7 + A = 8 + 5

Combine like terms: 8 + 5 = 13
-7 + A = 13

Solving
-7 + A = 13

Solving for variable 'A'.

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

Add '7' to each side of the equation.
-7 + 7 + A = 13 + 7

Combine like terms: -7 + 7 = 0
0 + A = 13 + 7
A = 13 + 7

Combine like terms: 13 + 7 = 20
A = 20

Simplifying
A = 20

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