3(1+X)=9+X

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Solution for 3(1+X)=9+X equation:


Simplifying
3(1 + X) = 9 + X
(1 * 3 + X * 3) = 9 + X
(3 + 3X) = 9 + X

Solving
3 + 3X = 9 + X

Solving for variable 'X'.

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

Add '-1X' to each side of the equation.
3 + 3X + -1X = 9 + X + -1X

Combine like terms: 3X + -1X = 2X
3 + 2X = 9 + X + -1X

Combine like terms: X + -1X = 0
3 + 2X = 9 + 0
3 + 2X = 9

Add '-3' to each side of the equation.
3 + -3 + 2X = 9 + -3

Combine like terms: 3 + -3 = 0
0 + 2X = 9 + -3
2X = 9 + -3

Combine like terms: 9 + -3 = 6
2X = 6

Divide each side by '2'.
X = 3

Simplifying
X = 3

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