2x-(21)=-3

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Solution for 2x-(21)=-3 equation:


2x-(21)=-3

We simplify the equation to the form, which is simple to understand 
2x-(21)=-3

Remove unnecessary parentheses
2x-21=-3

We move all terms containing x to the left and all other terms to the right. 
+2x=-3+21

We simplify left and right side of the equation. 
+2x=+18

We divide both sides of the equation by 2 to get x. 
x=9

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