42x-12=9

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Solution for 42x-12=9 equation: 


Simplifying
42x + -12 = 9

Reorder the terms:
-12 + 42x = 9

Solving
-12 + 42x = 9

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + 42x = 9 + 12

Combine like terms: -12 + 12 = 0
0 + 42x = 9 + 12
42x = 9 + 12

Combine like terms: 9 + 12 = 21
42x = 21

Divide each side by '42'.
x = 0.5

Simplifying
x = 0.5

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