3x+y+3=0

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Solution for 3x+y+3=0 equation:


Simplifying
3x + y + 3 = 0

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

Solving
3 + 3x + y = 0

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + 3x + -3 + y = 0 + -3

Reorder the terms:
3 + -3 + 3x + y = 0 + -3

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

Combine like terms: 0 + -3 = -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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