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5x/2-x=x/10-21/5
We simplify the equation to the form, which is simple to understand
5x/2-x=x/10-21/5
Simplifying:
+2.5x-x=x/10-21/5
Simplifying:
+2.5x-x=0.1x-21/5
Simplifying:
+2.5x-x=0.1x-4.2
We move all terms containing x to the left and all other terms to the right.
+2.5x-1x-0.1x=-4.2
We simplify left and right side of the equation.
+1.4x=-4.2
We divide both sides of the equation by 1.4 to get x.
x=-3
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