Answer:
y = -3/4x + 5/4
Explanation:
3x + 4y = 5
4y = 5 - 3x
y = -3/4x + 5/4
To make y the subject of the equation, we use properties of equality to shift y to one side, and the rest to the other. We then divide both sides by y's coefficient to make y the function of the subject.