-7=3x-21

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Solution for -7=3x-21 equation:


-7=3x-21

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

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

We simplify left and right side of the equation. 
-3x=-14

We divide both sides of the equation by -03 to get x. 
x=4.66666666667

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