Solve for x
x=11.5
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2x-7.2=15.8
Swap sides so that all variable terms are on the left hand side.
2x=15.8+7.2
Add 7.2 to both sides.
2x=23
Add 15.8 and 7.2 to get 23.
x=\frac{23}{2}
Divide both sides by 2.
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