2X+7-5X+8-X=

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Solution for 2X+7-5X+8-X= equation: 


Simplifying
2X + 7 + -5X + 8 + -1X = 0

Reorder the terms:
7 + 8 + 2X + -5X + -1X = 0

Combine like terms: 7 + 8 = 15
15 + 2X + -5X + -1X = 0

Combine like terms: 2X + -5X = -3X
15 + -3X + -1X = 0

Combine like terms: -3X + -1X = -4X
15 + -4X = 0

Solving
15 + -4X = 0

Solving for variable 'X'.

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

Add '-15' to each side of the equation.
15 + -15 + -4X = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -4X = 0 + -15
-4X = 0 + -15

Combine like terms: 0 + -15 = -15
-4X = -15

Divide each side by '-4'.
X = 3.75

Simplifying
X = 3.75

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