6x+3x=12+x

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Solution for 6x+3x=12+x equation:


Simplifying
6x + 3x = 12 + x

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

Solving
9x = 12 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
9x + -1x = 12 + x + -1x

Combine like terms: 9x + -1x = 8x
8x = 12 + x + -1x

Combine like terms: x + -1x = 0
8x = 12 + 0
8x = 12

Divide each side by '8'.
x = 1.5

Simplifying
x = 1.5

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