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20x-10x-2.25=0
We simplify the equation to the form, which is simple to understand
20x-10x-2.25=0
We move all terms containing x to the left and all other terms to the right.
+20x-10x=0+2.25
We simplify left and right side of the equation.
+10x=+2.25
We divide both sides of the equation by 10 to get x.
x=0.225
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