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6x-2x-1=7
To find the opposite of 2x+1, find the opposite of each term.
4x-1=7
Combine 6x and -2x to get 4x.
4x=7+1
Add 1 to both sides.
4x=8
Add 7 and 1 to get 8.
x=\frac{8}{4}
Divide both sides by 4.
x=2
Divide 8 by 4 to get 2.