-5(5x-4x)+2x=21

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Solution for -5(5x-4x)+2x=21 equation:


-5(5x-4x)+2x=21

We simplify the equation to the form, which is simple to understand 
-5(5x-4x)+2x=21

Simplifying terms in parentheses
-5*(+1x)+2x=21

Reorder the terms in parentheses
+(-5x)+2x=21

Remove unnecessary parentheses
-5x+2x=+21

We move all terms containing x to the left and all other terms to the right. 
-5x+2x=+21

We simplify left and right side of the equation. 
-3x=+21

We divide both sides of the equation by -3 to get x. 
x=-7

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