Question

solve by substitution method x+y=7 and 2x-3y=11​

Answer 1

Answer:

x=32/5,y=3/5

Step-by-step explanation:

x+y=7••••••[1]

2x-3y=11•••[2]

from [1]

y=7-x•••••[3]

'substitute' [3] in 2

2x-3 (7-x)=11

2x-21+3x=11

5x=32

(x=32/5)

32/5+y=7

y=7-32/5

(y=3/5)

Answer 2

Answer:

here's the answer.

Step-by-step explanation:

this is done by the substitution method .