Solve for n
n=22
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6+4n-4=90
Use the distributive property to multiply n-1 by 4.
2+4n=90
Subtract 4 from 6 to get 2.
4n=90-2
Subtract 2 from both sides.
4n=88
Subtract 2 from 90 to get 88.
n=\frac{88}{4}
Divide both sides by 4.
n=22
Divide 88 by 4 to get 22.
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