Solution
Solve

Step 1: Evaluate and cross multiply

Step 2: Collect like terms
Add up all of the sides and you will get the ratio
2x + 4y = 12..subtract 2x from both sides
4y = -2x + 12...divide both sides by 4
y = -2/4x + 12/4....reduce
y = -1/2x + 3 <===