6x-21-2y=9

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Solution for 6x-21-2y=9 equation:


Simplifying
6x + -21 + -2y = 9

Reorder the terms:
-21 + 6x + -2y = 9

Solving
-21 + 6x + -2y = 9

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 6x + 21 + -2y = 9 + 21

Reorder the terms:
-21 + 21 + 6x + -2y = 9 + 21

Combine like terms: -21 + 21 = 0
0 + 6x + -2y = 9 + 21
6x + -2y = 9 + 21

Combine like terms: 9 + 21 = 30
6x + -2y = 30

Add '2y' to each side of the equation.
6x + -2y + 2y = 30 + 2y

Combine like terms: -2y + 2y = 0
6x + 0 = 30 + 2y
6x = 30 + 2y

Divide each side by '6'.
x = 5 + 0.3333333333y

Simplifying
x = 5 + 0.3333333333y

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