6-x-x=42

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Solution for 6-x-x=42 equation: 


Simplifying
6 + -1x + -1x = 42

Combine like terms: -1x + -1x = -2x
6 + -2x = 42

Solving
6 + -2x = 42

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + -2x = 42 + -6

Combine like terms: 6 + -6 = 0
0 + -2x = 42 + -6
-2x = 42 + -6

Combine like terms: 42 + -6 = 36
-2x = 36

Divide each side by '-2'.
x = -18

Simplifying
x = -18

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