Solve for x
x=6
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\frac{15}{3}=x-1
Divide both sides by 3.
5=x-1
Divide 15 by 3 to get 5.
x-1=5
Swap sides so that all variable terms are on the left hand side.
x=5+1
Add 1 to both sides.
x=6
Add 5 and 1 to get 6.
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