x-3(-10)=21

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Solution for x-3(-10)=21 equation:


x-3 (-10)=21

We simplify the equation to the form, which is simple to understand 
x-3(-10)=21

Reorder the terms in parentheses
x+(+30)=21

Remove unnecessary parentheses
+x+30=+21

We move all terms containing x to the left and all other terms to the right. 
+1x=+21-30

We simplify left and right side of the equation. 
+1x=-9

We divide both sides of the equation by 1 to get x. 
x=-9

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