3+x-7x=9

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Solution for 3+x-7x=9 equation: 


Simplifying
3 + x + -7x = 9

Combine like terms: x + -7x = -6x
3 + -6x = 9

Solving
3 + -6x = 9

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 + -6x = 9 + -3

Combine like terms: 3 + -3 = 0
0 + -6x = 9 + -3
-6x = 9 + -3

Combine like terms: 9 + -3 = 6
-6x = 6

Divide each side by '-6'.
x = -1

Simplifying
x = -1

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