Solve for x
x=17
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5x+4+1=90
Combine 2x and 3x to get 5x.
5x+5=90
Add 4 and 1 to get 5.
5x=90-5
Subtract 5 from both sides.
5x=85
Subtract 5 from 90 to get 85.
x=\frac{85}{5}
Divide both sides by 5.
x=17
Divide 85 by 5 to get 17.
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