7X-X+4X=-12

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Solution for 7X-X+4X=-12 equation: 


Simplifying
7X + -1X + 4X = -12

Combine like terms: 7X + -1X = 6X
6X + 4X = -12

Combine like terms: 6X + 4X = 10X
10X = -12

Solving
10X = -12

Solving for variable 'X'.

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

Divide each side by '10'.
X = -1.2

Simplifying
X = -1.2

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