Solve for X 3X+30=9

Math
3X+30=9
Move all terms not containing X to the right side of the equation.
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Subtract 30 from both sides of the equation.
3X=9-30
Subtract 30 from 9.
3X=-21
3X=-21
Divide each term by 3 and simplify.
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Divide each term in 3X=-21 by 3.
3X3=-213
Cancel the common factor of 3.
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Cancel the common factor.
3X3=-213
Divide X by 1.
X=-213
X=-213
Divide -21 by 3.
X=-7
X=-7
Solve for X 3X+30=9

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