a
Use the graph to solve the simultaneous equations
y = 2x and x+y=9
12
11
10
9
8
7
5
4
3
24
y + 2x = 10
-3-2-19 1 2 3 4 5
1
y 2x
x+y=9
6
7
8
9 10
X =
y =
