Question

solve graphically
a) 2x-y=5
2x+y=6
b) x+y=7
3x-y=1
c) x+y=5
x-y1=4
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Answer 1

Step-by-step explanation:

a) 2x-y=5

2x+y=6

x = 11/4 , y = 1/2

b) x+y=7

3x-y=1

x = 2 , y = 5

c) x+y=5

x-y1=4

x = 9/2 , y = 1/2