3-3X-X=X-7-X

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Solution for 3-3X-X=X-7-X equation:


Simplifying
3 + -3X + -1X = X + -7 + -1X

Combine like terms: -3X + -1X = -4X
3 + -4X = X + -7 + -1X

Reorder the terms:
3 + -4X = -7 + X + -1X

Combine like terms: X + -1X = 0
3 + -4X = -7 + 0
3 + -4X = -7

Solving
3 + -4X = -7

Solving for variable 'X'.

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

Add '-3' to each side of the equation.
3 + -3 + -4X = -7 + -3

Combine like terms: 3 + -3 = 0
0 + -4X = -7 + -3
-4X = -7 + -3

Combine like terms: -7 + -3 = -10
-4X = -10

Divide each side by '-4'.
X = 2.5

Simplifying
X = 2.5

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