let use a graph to solve the equation below
For y = 4x + 10
when x = 5, y = 30
x = 10, y = 50
x = 15, y = 70
For y = 3x + 15
when x = 5, y = 30
x = 10, y =45
x = 15, y = 60
The values above are what I used to plot the graph. The intersected values are the solution(5, 30)
