15x=9x+42

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Solution for 15x=9x+42 equation: 


Simplifying
15x = 9x + 42

Reorder the terms:
15x = 42 + 9x

Solving
15x = 42 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
15x + -9x = 42 + 9x + -9x

Combine like terms: 15x + -9x = 6x
6x = 42 + 9x + -9x

Combine like terms: 9x + -9x = 0
6x = 42 + 0
6x = 42

Divide each side by '6'.
x = 7

Simplifying
x = 7

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