-9+7x-4x=9

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


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

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

Solving
-9 + 3x = 9

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 3x = 9 + 9

Combine like terms: -9 + 9 = 0
0 + 3x = 9 + 9
3x = 9 + 9

Combine like terms: 9 + 9 = 18
3x = 18

Divide each side by '3'.
x = 6

Simplifying
x = 6

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