Question

x+y=20 and x-y=4 solve for x and y,and substitute the value of x and y =mx+3then the value m is a) 5/12 b) 12/5 c) 8/12 d) -5/12​

Answer 1

Answer:

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Answer 2

Answer:

x + y = 20

x - y = 4

2x = 24

x = 12

y = 8

y = mx + 3

8 = 12m + 3

5 = 12m

m = 5/12 (a)