3x+21=6x+15

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Solution for 3x+21=6x+15 equation:


3x +21 = 6x + 15

We simplify the equation to the form, which is simple to understand 
3x+21=6x+15

We move all terms containing x to the left and all other terms to the right. 
+3x-6x=+15-21

We simplify left and right side of the equation. 
-3x=-6

We divide both sides of the equation by -3 to get x. 
x=2

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