3x+y+6=9

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Solution for 3x+y+6=9 equation:


Simplifying
3x + y + 6 = 9

Reorder the terms:
6 + 3x + y = 9

Solving
6 + 3x + y = 9

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + 3x + -6 + y = 9 + -6

Reorder the terms:
6 + -6 + 3x + y = 9 + -6

Combine like terms: 6 + -6 = 0
0 + 3x + y = 9 + -6
3x + y = 9 + -6

Combine like terms: 9 + -6 = 3
3x + y = 3

Add '-1y' to each side of the equation.
3x + y + -1y = 3 + -1y

Combine like terms: y + -1y = 0
3x + 0 = 3 + -1y
3x = 3 + -1y

Divide each side by '3'.
x = 1 + -0.3333333333y

Simplifying
x = 1 + -0.3333333333y

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