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7/2x+1-(8x/2x-1)=4
We simplify the equation to the form, which is simple to understand
7/2x+1-(8x/2x-1)=4
Remove unnecessary parentheses
/2x+1-3=4
We move all terms containing x to the left and all other terms to the right.
+2x=+4-1+3
We simplify left and right side of the equation.
+2x=+6
We divide both sides of the equation by 2 to get x.
x=3
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