42-4x=18

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Solution for 42-4x=18 equation: 


Simplifying
42 + -4x = 18

Solving
42 + -4x = 18

Solving for variable 'x'.

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

Add '-42' to each side of the equation.
42 + -42 + -4x = 18 + -42

Combine like terms: 42 + -42 = 0
0 + -4x = 18 + -42
-4x = 18 + -42

Combine like terms: 18 + -42 = -24
-4x = -24

Divide each side by '-4'.
x = 6

Simplifying
x = 6

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