5x-2(2x+9)=-21

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Solution for 5x-2(2x+9)=-21 equation:


5x-2(2x+9)=-21

We simplify the equation to the form, which is simple to understand 
5x-2(2x+9)=-21

Reorder the terms in parentheses
5x+(-4x-18)=-21

Remove unnecessary parentheses
+5x-4x-18=-21

We move all terms containing x to the left and all other terms to the right. 
+5x-4x=-21+18

We simplify left and right side of the equation. 
+1x=-3

We divide both sides of the equation by 1 to get x. 
x=-3

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