90-(x+10)=3x

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Solution for 90-(x+10)=3x equation:


90-(x+10)=3x

We simplify the equation to the form, which is simple to understand 
90-(x+10)=3x

Remove unnecessary parentheses
90-1x-10=3x

We move all terms containing x to the left and all other terms to the right. 
-1x-3x=-90+10

We simplify left and right side of the equation. 
-4x=-80

We divide both sides of the equation by -4 to get x. 
x=20

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