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1/4+1/5=x
We simplify the equation to the form, which is simple to understand
1/4+1/5=x
We move all terms containing x to the left and all other terms to the right.
-1x=-0.25-0.2
We simplify left and right side of the equation.
-1x=-0.45
We divide both sides of the equation by -01 to get x.
x=0.45
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