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20x+13=45
We simplify the equation to the form, which is simple to understand
20x+13=45
We move all terms containing x to the left and all other terms to the right.
+20x=+45-13
We simplify left and right side of the equation.
+20x=+32
We divide both sides of the equation by 20 to get x.
x=1.6
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