=12x-42

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Solution for =12x-42 equation: 


Simplifying
0 = 12x + -42

Reorder the terms:
0 = -42 + 12x

Solving
0 = -42 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
0 + -12x = -42 + 12x + -12x
Remove the zero:
-12x = -42 + 12x + -12x

Combine like terms: 12x + -12x = 0
-12x = -42 + 0
-12x = -42

Divide each side by '-12'.
x = 3.5

Simplifying
x = 3.5

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