4x+9y+3(x+y)=

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Solution for 4x+9y+3(x+y)= equation:


Simplifying
4x + 9y + 3(x + y) = 0
4x + 9y + (x * 3 + y * 3) = 0
4x + 9y + (3x + 3y) = 0

Reorder the terms:
4x + 3x + 9y + 3y = 0

Combine like terms: 4x + 3x = 7x
7x + 9y + 3y = 0

Combine like terms: 9y + 3y = 12y
7x + 12y = 0

Solving
7x + 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.
7x + 12y + -12y = 0 + -12y

Combine like terms: 12y + -12y = 0
7x + 0 = 0 + -12y
7x = 0 + -12y
Remove the zero:
7x = -12y

Divide each side by '7'.
x = -1.714285714y

Simplifying
x = -1.714285714y

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