3X-3-X=-12+4X

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Solution for 3X-3-X=-12+4X equation:


Simplifying
3X + -3 + -1X = -12 + 4X

Reorder the terms:
-3 + 3X + -1X = -12 + 4X

Combine like terms: 3X + -1X = 2X
-3 + 2X = -12 + 4X

Solving
-3 + 2X = -12 + 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 + 2X + -4X = -12 + 4X + -4X

Combine like terms: 2X + -4X = -2X
-3 + -2X = -12 + 4X + -4X

Combine like terms: 4X + -4X = 0
-3 + -2X = -12 + 0
-3 + -2X = -12

Add '3' to each side of the equation.
-3 + 3 + -2X = -12 + 3

Combine like terms: -3 + 3 = 0
0 + -2X = -12 + 3
-2X = -12 + 3

Combine like terms: -12 + 3 = -9
-2X = -9

Divide each side by '-2'.
X = 4.5

Simplifying
X = 4.5

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