7x-10x=-21

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Solution for 7x-10x=-21 equation:


7x-10x=-21

We simplify the equation to the form, which is simple to understand 
7x-10x=-21

We move all terms containing x to the left and all other terms to the right. 
+7x-10x=-21

We simplify left and right side of the equation. 
-3x=-21

We divide both sides of the equation by -3 to get x. 
x=7

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