-9x+3=42

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Solution for -9x+3=42 equation: 


Simplifying
-9x + 3 = 42

Reorder the terms:
3 + -9x = 42

Solving
3 + -9x = 42

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 + -9x = 42 + -3

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

Combine like terms: 42 + -3 = 39
-9x = 39

Divide each side by '-9'.
x = -4.333333333

Simplifying
x = -4.333333333

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