3(-25-x)+9x=21

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Solution for 3(-25-x)+9x=21 equation:


3(-25-x)+9x=21

We simplify the equation to the form, which is simple to understand 
3(-25-x)+9x=21

Reorder the terms in parentheses
+(-75-3x)+9x=21

Remove unnecessary parentheses
-75-3x+9x=+21

We move all terms containing x to the left and all other terms to the right. 
-3x+9x=+21+75

We simplify left and right side of the equation. 
+6x=+96

We divide both sides of the equation by 6 to get x. 
x=16

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