Solve for x
x = \frac{41}{4} = 10\frac{1}{4} = 10.25
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3x+x-1=40
Combine 2x and x to get 3x.
4x-1=40
Combine 3x and x to get 4x.
4x=40+1
Add 1 to both sides.
4x=41
Add 40 and 1 to get 41.
x=\frac{41}{4}
Divide both sides by 4.
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