Question

Find the solution of the following pair of
Lineal equations x+y = 16 , 0-y=4​

Answer 1

Answer:

X=20

y=-4

Step-by-step explanation:

y= -4

X+y=16

X-4=16

X=20

Answer 2

Answer:

x=20

y= -4

Step-by-step explanation:

x+y=16. (1)

-y=4

y= -4. (2)

put y= -4 in (1)

x+(-4)=16

x=20