9x+12=6x+42

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


Simplifying
9x + 12 = 6x + 42

Reorder the terms:
12 + 9x = 6x + 42

Reorder the terms:
12 + 9x = 42 + 6x

Solving
12 + 9x = 42 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
12 + 9x + -6x = 42 + 6x + -6x

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

Combine like terms: 6x + -6x = 0
12 + 3x = 42 + 0
12 + 3x = 42

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

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

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

Divide each side by '3'.
x = 10

Simplifying
x = 10

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