9-3x=42

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Solution for 9-3x=42 equation: 


Simplifying
9 + -3x = 42

Solving
9 + -3x = 42

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 = 42 + -9

Combine like terms: 9 + -9 = 0
0 + -3x = 42 + -9
-3x = 42 + -9

Combine like terms: 42 + -9 = 33
-3x = 33

Divide each side by '-3'.
x = -11

Simplifying
x = -11

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