30-9x=7x+21

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Solution for 30-9x=7x+21 equation:


30-9x=7x+21

We simplify the equation to the form, which is simple to understand 
30-9x=7x+21

We move all terms containing x to the left and all other terms to the right. 
-9x-7x=+21-30

We simplify left and right side of the equation. 
-16x=-9

We divide both sides of the equation by -16 to get x. 
x=0.5625

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