Question

3. Solve the eqn
x+y = 4; 2x - 5y = 1.​

Answer 1

Answer:

hlo mate ,

Step-by-step explanation:

if , x + y = 4

x= 4 - y

then , 2x - 5y = 1

put the value of x

2( 4-y) - 5y = 1

8 - 2y - 5y = 1

8 - 7y = 1

- 7y = 1 - 8

- 7y = -7

then

7y = 7

y = 1

so ,

x = 4 - y

x = 4 - 1

x=3

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Answer 2

Answer:

Step-by-step explanation:

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