-9x=-3x-42

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Solution for -9x=-3x-42 equation: 


Simplifying
-9x = -3x + -42

Reorder the terms:
-9x = -42 + -3x

Solving
-9x = -42 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
-9x + 3x = -42 + -3x + 3x

Combine like terms: -9x + 3x = -6x
-6x = -42 + -3x + 3x

Combine like terms: -3x + 3x = 0
-6x = -42 + 0
-6x = -42

Divide each side by '-6'.
x = 7

Simplifying
x = 7

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