Step 1: Rewrite the equation
3y+x=12
Step 2: To get y alone on the left side, subtract x on both sides
3y+x=12
-x -x
______
3y=-x+12
Step 3 (final step): To get y alone, divide each number by 3
3y = -x +12
/3 /3 /3
________
y=-1/3x+4
Final answer: y=-1/3x+4
Hope this helps :)
