9x-12x=7-4

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


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

Combine like terms: 9x + -12x = -3x
-3x = 7 + -4

Combine like terms: 7 + -4 = 3
-3x = 3

Solving
-3x = 3

Solving for variable 'x'.

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

Divide each side by '-3'.
x = -1

Simplifying
x = -1

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