James used substitution to solve this system of equations which equation could be the result of his first step
2x+3y=12 y=x+1.5
a. y=2x+3y
b. y=2x+3y+1.5
c. 2x+3(x+1.5)=12
d. 2x+3x+1.5=12

The price for gasoline is represented by the equation y=3.69x, where y represents the total price for x gallons of gasoline. on a graph, the number of gallons is represented on the horizontal axis, and the total price is represented on the vertical axis. determine whether each statement describes the graph of the equation. select true or false for each statement