3x-6y+7x+21y-3y=

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Solution for 3x-6y+7x+21y-3y= equation:


Simplifying
3x + -6y + 7x + 21y + -3y = 0

Reorder the terms:
3x + 7x + -6y + 21y + -3y = 0

Combine like terms: 3x + 7x = 10x
10x + -6y + 21y + -3y = 0

Combine like terms: -6y + 21y = 15y
10x + 15y + -3y = 0

Combine like terms: 15y + -3y = 12y
10x + 12y = 0

Solving
10x + 12y = 0

Solving for variable 'x'.

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

Add '-12y' to each side of the equation.
10x + 12y + -12y = 0 + -12y

Combine like terms: 12y + -12y = 0
10x + 0 = 0 + -12y
10x = 0 + -12y
Remove the zero:
10x = -12y

Divide each side by '10'.
x = -1.2y

Simplifying
x = -1.2y

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