-4+21=3x+15

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Solution for -4+21=3x+15 equation:


-4+21=3x+15

We simplify the equation to the form, which is simple to understand 
-4+21=3x+15

We move all terms containing x to the left and all other terms to the right. 
-3x=+15+4-21

We simplify left and right side of the equation. 
-3x=-2

We divide both sides of the equation by -03 to get x. 
x=0.666666666667

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