5-3x-x=21

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Solution for 5-3x-x=21 equation:


5-3x-x=21

We simplify the equation to the form, which is simple to understand 
5-3x-x=21

We move all terms containing x to the left and all other terms to the right. 
-3x-1x=+21-5

We simplify left and right side of the equation. 
-4x=+16

We divide both sides of the equation by -4 to get x. 
x=-4

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