X+7-2-4(X)-2=18

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Solution for X+7-2-4(X)-2=18 equation:


Simplifying
X + 7 + -2 + -4(X) + -2 = 18

Reorder the terms:
7 + -2 + -2 + X + -4X = 18

Combine like terms: 7 + -2 = 5
5 + -2 + X + -4X = 18

Combine like terms: 5 + -2 = 3
3 + X + -4X = 18

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

Solving
3 + -3X = 18

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 + -3X = 18 + -3

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

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

Divide each side by '-3'.
X = -5

Simplifying
X = -5

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