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20.42/10=x/21
We simplify the equation to the form, which is simple to understand
20.42/10=x/21
Simplifying:
+2.042=x/21
Simplifying:
+2.042=0.047619047619x
We move all terms containing x to the left and all other terms to the right.
-0.047619047619x=-2.042
We simplify left and right side of the equation.
-0.047619047619x=-2.042
We divide both sides of the equation by -00.047619047619 to get x.
x=42.882
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