Answer: [tex]\bold{y=-\dfrac{1}{3}x+6}[/tex]
[tex]\bold{y=-\dfrac{1}{4}x+\dfrac{25}{4}}[/tex]
Step-by-step explanation:
x + 3y = 18
- x -x
3y = -x + 18
÷3 ÷3 ÷3
y = (-1/3)x + 6
-3x - 12y = -75
+3x +3x
-12y = 3x - 75
÷-12 ÷-12 ÷-12
y = (-1/4)x + (25/4)
