4x-9=7x+21

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Solution for 4x-9=7x+21 equation:


4x-9=7x+21

We simplify the equation to the form, which is simple to understand 
4x-9=7x+21

We move all terms containing x to the left and all other terms to the right. 
+4x-7x=+21+9

We simplify left and right side of the equation. 
-3x=+30

We divide both sides of the equation by -3 to get x. 
x=-10

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