21x-3y+6=0

Solution for 21x-3y+6=0 equation:

Simplifying
21x + -3y + 6 = 0

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

Solving
6 + 21x + -3y = 0

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + 21x + -6 + -3y = 0 + -6

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

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

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

Add '3y' to each side of the equation.
21x + -3y + 3y = -6 + 3y

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

Divide each side by '21'.
x = -0.2857142857 + 0.1428571429y

Simplifying
x = -0.2857142857 + 0.1428571429y