3+4X=2(X+9)

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Solution for 3+4X=2(X+9) equation:


Simplifying
3 + 4X = 2(X + 9)

Reorder the terms:
3 + 4X = 2(9 + X)
3 + 4X = (9 * 2 + X * 2)
3 + 4X = (18 + 2X)

Solving
3 + 4X = 18 + 2X

Solving for variable 'X'.

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

Add '-2X' to each side of the equation.
3 + 4X + -2X = 18 + 2X + -2X

Combine like terms: 4X + -2X = 2X
3 + 2X = 18 + 2X + -2X

Combine like terms: 2X + -2X = 0
3 + 2X = 18 + 0
3 + 2X = 18

Add '-3' to each side of the equation.
3 + -3 + 2X = 18 + -3

Combine like terms: 3 + -3 = 0
0 + 2X = 18 + -3
2X = 18 + -3

Combine like terms: 18 + -3 = 15
2X = 15

Divide each side by '2'.
X = 7.5

Simplifying
X = 7.5

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