6 = 4 x + 9 y
Subtract 4 x to both sides
6 - 4 x = 9 y
Divide both sides by 9
6 / 9 - 4 x / 9 = y
3 • 2 / 3 • 3 - 4 / 9 x = y
2 / 3 - 4 / 9 x = y
y = - 4 / 9 x + 2 / 3
Solve the equation for yy
6=4x+9y
1 answer