12-3+14+(-21)+x=0

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Solution for 12-3+14+(-21)+x=0 equation:


12-3+14+(-21)+x=0

We simplify the equation to the form, which is simple to understand 
12-3+14+(-21)+x=0

Remove unnecessary parentheses
+12-3+14-21+x=0

We move all terms containing x to the left and all other terms to the right. 
+1x=0-12+3-14+21

We simplify left and right side of the equation. 
+1x=-2

We divide both sides of the equation by 1 to get x. 
x=-2

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