Solve for x
x=10
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7+2=x-1
Variable x cannot be equal to 1 since division by zero is not defined. Multiply both sides of the equation by x-1.
9=x-1
Add 7 and 2 to get 9.
x-1=9
Swap sides so that all variable terms are on the left hand side.
x=9+1
Add 1 to both sides.
x=10
Add 9 and 1 to get 10.
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