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2x/5-x/2=40
We simplify the equation to the form, which is simple to understand
2x/5-x/2=40
Simplifying:
+ 0.4x-x/2=40
Simplifying:
+ 0.4x-0.5x=40
We move all terms containing x to the left and all other terms to the right.
+ 0.4x-0.5x=+40
We simplify left and right side of the equation.
-0.1x=+40
We divide both sides of the equation by -0.1 to get x.
x=-400
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