6x+39=15x-42

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Solution for 6x+39=15x-42 equation:


Simplifying
6x + 39 = 15x + -42

Reorder the terms:
39 + 6x = 15x + -42

Reorder the terms:
39 + 6x = -42 + 15x

Solving
39 + 6x = -42 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
39 + 6x + -15x = -42 + 15x + -15x

Combine like terms: 6x + -15x = -9x
39 + -9x = -42 + 15x + -15x

Combine like terms: 15x + -15x = 0
39 + -9x = -42 + 0
39 + -9x = -42

Add '-39' to each side of the equation.
39 + -39 + -9x = -42 + -39

Combine like terms: 39 + -39 = 0
0 + -9x = -42 + -39
-9x = -42 + -39

Combine like terms: -42 + -39 = -81
-9x = -81

Divide each side by '-9'.
x = 9

Simplifying
x = 9

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