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-3=x-21/2
We simplify the equation to the form, which is simple to understand
-3=x-21/2
Simplifying:
-3=x-10.5
We move all terms containing x to the left and all other terms to the right.
-1x=-10.5+3
We simplify left and right side of the equation.
-1x=-7.5
We divide both sides of the equation by -01 to get x.
x=7.5
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