Question

Solve the replacement method-
1. x+y=4
x-y=2
2. 2x+y=5
x-y=1

solve it​

Answer 1

Answer:

1. X=3,y=1. 2,X=2,y=1

Step-by-step explanation:

x+y=4

x-y=2

X=2+y

X+y=4

2+y+y=4

2y=4-2=2

y=1

x=2+1

=3

2. 2x+y=5

x-y=1

X=1+y

2x+y=5

2(1+y)+y=5

2+2y+y=5

3y=5-2=3

y=1

x=1+y

X=1+1=2