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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