Question

if .2x+3y= 10 and 3x+2y= 15 find the value of x+y​

Answer 1

Answer:

2x + 3y = 10 — 1

3x + 2y = 15 — 2

3(2x+3y = 10)

2(3x+2y = 15)

6x + 9y = 30

6x + 4y = 30

- - -

———————

5y = 0

y = 0

put value of y in 1

2x + 3(0) = 10

2x = 10

x = 5

x +y = 5+0 = 5