Solve for x
x = \frac{39}{8} = 4\frac{7}{8} = 4.875
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2x+9+6x=48
Add 6x to both sides.
8x+9=48
Combine 2x and 6x to get 8x.
8x=48-9
Subtract 9 from both sides.
8x=39
Subtract 9 from 48 to get 39.
x=\frac{39}{8}
Divide both sides by 8.
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