42-6x=12-9x

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Solution for 42-6x=12-9x equation:


Simplifying
42 + -6x = 12 + -9x

Solving
42 + -6x = 12 + -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.
42 + -6x + 9x = 12 + -9x + 9x

Combine like terms: -6x + 9x = 3x
42 + 3x = 12 + -9x + 9x

Combine like terms: -9x + 9x = 0
42 + 3x = 12 + 0
42 + 3x = 12

Add '-42' to each side of the equation.
42 + -42 + 3x = 12 + -42

Combine like terms: 42 + -42 = 0
0 + 3x = 12 + -42
3x = 12 + -42

Combine like terms: 12 + -42 = -30
3x = -30

Divide each side by '3'.
x = -10

Simplifying
x = -10

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