Solve for X
X=3
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5X-18+2X=3
Add 2X to both sides.
7X-18=3
Combine 5X and 2X to get 7X.
7X=3+18
Add 18 to both sides.
7X=21
Add 3 and 18 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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