45=3x-2(20-x)

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Solution for 45=3x-2(20-x) equation:


45=3x-2(20-x)

We simplify the equation to the form, which is simple to understand 
45=3x-2(20-x)

Reorder the terms in parentheses
45=3x+(-40+2x)

Remove unnecessary parentheses
+45=+3x-40+2x

We move all terms containing x to the left and all other terms to the right. 
-3x-2x=-40-45

We simplify left and right side of the equation. 
-5x=-85

We divide both sides of the equation by -5 to get x. 
x=17

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