Solve for x
x=3
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7x-4=17
Swap sides so that all variable terms are on the left hand side.
7x=17+4
Add 4 to both sides.
7x=21
Add 17 and 4 to get 21.
x=\frac{21}{7}
Divide both sides by 7.
x=3
Divide 21 by 7 to get 3.
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