3x-7=-21

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Solution for 3x-7=-21 equation:


3x-7=-21

We simplify the equation to the form, which is simple to understand 
3x-7=-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 3 to get x. 
x=-4.66666666667

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