3x+y+7=0

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Solution for 3x+y+7=0 equation:


Simplifying
3x + y + 7 = 0

Reorder the terms:
7 + 3x + y = 0

Solving
7 + 3x + y = 0

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + 3x + -7 + y = 0 + -7

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

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

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

Add '-1y' to each side of the equation.
3x + y + -1y = -7 + -1y

Combine like terms: y + -1y = 0
3x + 0 = -7 + -1y
3x = -7 + -1y

Divide each side by '3'.
x = -2.333333333 + -0.3333333333y

Simplifying
x = -2.333333333 + -0.3333333333y

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