7-3x=30

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Solution for 7-3x=30 equation:


7-3x=30

We simplify the equation to the form, which is simple to understand 
7-3x=30

We move all terms containing x to the left and all other terms to the right. 
-3x=+30-7

We simplify left and right side of the equation. 
-3x=+23

We divide both sides of the equation by -3 to get x. 
x=-7.66666666667

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