Solve for x
x=13
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12+3=x+2
Add 7 and 5 to get 12.
15=x+2
Add 12 and 3 to get 15.
x+2=15
Swap sides so that all variable terms are on the left hand side.
x=15-2
Subtract 2 from both sides.
x=13
Subtract 2 from 15 to get 13.
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