3(9-X)=20

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Solution for 3(9-X)=20 equation: 


Simplifying
3(9 + -1X) = 20
(9 * 3 + -1X * 3) = 20
(27 + -3X) = 20

Solving
27 + -3X = 20

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '-27' to each side of the equation.
27 + -27 + -3X = 20 + -27

Combine like terms: 27 + -27 = 0
0 + -3X = 20 + -27
-3X = 20 + -27

Combine like terms: 20 + -27 = -7
-3X = -7

Divide each side by '-3'.
X = 2.333333333

Simplifying
X = 2.333333333

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