Solve for x
x=39
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4-1+20=x-16
Cancel out 5 and 5.
3+20=x-16
Subtract 1 from 4 to get 3.
23=x-16
Add 3 and 20 to get 23.
x-16=23
Swap sides so that all variable terms are on the left hand side.
x=23+16
Add 16 to both sides.
x=39
Add 23 and 16 to get 39.
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