Solve for n
n = \frac{11}{4} = 2\frac{3}{4} = 2.75
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4n+7=2\times 9
Multiply both sides by 9.
4n+7=18
Multiply 2 and 9 to get 18.
4n=18-7
Subtract 7 from both sides.
4n=11
Subtract 7 from 18 to get 11.
n=\frac{11}{4}
Divide both sides by 4.
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