Math, asked by bikash496, 5 months ago

If 4x+5y=10 and 5x+4y=17,x+y=

Answers

Answered by simres23

9

Step-by-step explanation:

(4x+5y=10)×5

20x+25y=50-> equation 1

(5x+4y=17)×4

20x+16y=68 -> equation 2

equation (1-2)

9y = -18

y=-2

from equation 1

4x -10 =10

4x = 20

x = 5

x+y = 3

Answered by kajalagarwal10

3

Answer:

If 4x+5y=10 and 5x+4y=17,x+y=

Step-by-step explanation:

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