-30-3x=42

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Solution for -30-3x=42 equation: 


Simplifying
-30 + -3x = 42

Solving
-30 + -3x = 42

Solving for variable 'x'.

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

Add '30' to each side of the equation.
-30 + 30 + -3x = 42 + 30

Combine like terms: -30 + 30 = 0
0 + -3x = 42 + 30
-3x = 42 + 30

Combine like terms: 42 + 30 = 72
-3x = 72

Divide each side by '-3'.
x = -24

Simplifying
x = -24

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