Question

3x-y=2
2x+y=8
by sybstituion methood

Answer 1

Answer:

3x-y=2 ---- (i)

2x+y=8 ---- (ii)

from (ii) equation

y=8-2x ---- (iii)

now put the value of y in equation (i)

3x-y=2

3x-8-2x=2

3x-2x=8+2

[x=10 ]

Now put the value of x in equation (iii) to gind the value of y

Hence,.

y=8-2x

y=8-2(10)

y=8-20

[y= -12]

y= -12

x=10

Hope this may help you

Thanks