Question

Solve the following pair of lear
Equation by Solutable method
x+ y= 5 , 2x-3 y = 5​

Answer 1

Answer:

y=1 and x=4

Step-by-step explanation:

1. x+y= 5......(1)
2. 2x-3y=5.....(2)
3. from equation 2,we get
4. x=5+3y/2
5. 5+3y+2y=10
6. 5y=5
7. y=1
8. x+1=5
9. x=4

Answer 2

Let x+y=5 is first equation and 2x-3y=5 is second equation.

multiplied by 3 in equestion first and then adding equation second in equation first.

now,

3x+3y=15

2x-3y=5

5x=20

x=4

now, putting the value of x in equestion first

3×4+3y=15

12+3y=15

3y=15-12

y=3/3

y=1