9x-7x-4x=-12

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Solution for 9x-7x-4x=-12 equation: 


Simplifying
9x + -7x + -4x = -12

Combine like terms: 9x + -7x = 2x
2x + -4x = -12

Combine like terms: 2x + -4x = -2x
-2x = -12

Solving
-2x = -12

Solving for variable 'x'.

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

Divide each side by '-2'.
x = 6

Simplifying
x = 6

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