2X+3+X=4X-9

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Solution for 2X+3+X=4X-9 equation:


Simplifying
2X + 3 + X = 4X + -9

Reorder the terms:
3 + 2X + X = 4X + -9

Combine like terms: 2X + X = 3X
3 + 3X = 4X + -9

Reorder the terms:
3 + 3X = -9 + 4X

Solving
3 + 3X = -9 + 4X

Solving for variable 'X'.

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

Add '-4X' to each side of the equation.
3 + 3X + -4X = -9 + 4X + -4X

Combine like terms: 3X + -4X = -1X
3 + -1X = -9 + 4X + -4X

Combine like terms: 4X + -4X = 0
3 + -1X = -9 + 0
3 + -1X = -9

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

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

Combine like terms: -9 + -3 = -12
-1X = -12

Divide each side by '-1'.
X = 12

Simplifying
X = 12

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