Question

(i) x + y = 14
x - y = 4
(iii) 3x - y = 3
9x – 3y=9​

Answer 1

Step-by-step explanation:

x+y=14

then X=14-y

substitute it in x-y=4

14-2y=4

y=5

x=9

Answer 2

Answer:

x=14-y

x-y =4

14-y- y=4

14-2y =4

-2y=4-14

y=-10/-2

y= 5

Step-by-step explanation:

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