( 2 x - 6 = 15 - 6
Solve for x
x = \frac{15}{2} = 7\frac{1}{2} = 7.5
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2x-6=9
Subtract 6 from 15 to get 9.
2x=9+6
Add 6 to both sides.
2x=15
Add 9 and 6 to get 15.
x=\frac{15}{2}
Divide both sides by 2.
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