5x+3=7x-21

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Solution for 5x+3=7x-21 equation:


5x+3=7x-21

We simplify the equation to the form, which is simple to understand 
5x+3=7x-21

We move all terms containing x to the left and all other terms to the right. 
+5x-7x=-21-3

We simplify left and right side of the equation. 
-2x=-24

We divide both sides of the equation by -2 to get x. 
x=12

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