Question

4x+3y=25 and 3x+4y=24findx+y and x-y

Answer 1

Step-by-step explanation:

4x+3y=25

x=25-3y/4........(1)

3x+4y=24

3(25-3y/4)+4y=24

75-9y+16y=96

7y=21

y=3

(1)

x=25-3.3/4

x=16/4

x=4

now, x+y=4+3=7

x-y=4-3=1