Question

2x + y = 5 and 2y = x - 10

Answer 1

Answer:

2x+y=5 and. 2y =x-10

=3x +3y =5+10

6xy=15

Answer 2

Answer:

2x+y=5 -(i)

2y=x-10

2y-x=-10

-(2y-x)= -(-10)

x-2y=10 -(ii)

2(2x+y=10)

2x+2y=20 -(iii)

by eq 1 and 3

2x+2y=20+x-2y=10

3x=30

x=30÷3

x=10

2(10)+y=5

20+y=5

y=5-20

y= -15

Step-by-step explanation:

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