3x+21+7x=25-2x

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Solution for 3x+21+7x=25-2x equation:


3x+21+7x=25-2x

We simplify the equation to the form, which is simple to understand 
3x+21+7x=25-2x

We move all terms containing x to the left and all other terms to the right. 
+3x+7x+2x=+25-21

We simplify left and right side of the equation. 
+12x=+4

We divide both sides of the equation by 12 to get x. 
x=0.333333333333

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