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2/5=x/45
We simplify the equation to the form, which is simple to understand
2/5=x/45
Simplifying:
+ 0.4=x/45
Simplifying:
+ 0.4=0.0222222222222x
We move all terms containing x to the left and all other terms to the right.
-0.0222222222222x=-0.4
We simplify left and right side of the equation.
-0.0222222222222x=-0.4
We divide both sides of the equation by -00.0222222222222 to get x.
x=18
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