find value of x-y=3 and 3x-2y=4 by substitution method
Answers
Answered by
1
Answer:
x= -2
y= -5
Step-by-step explanation:
x=y+3
3(y+3)-2y=4
y+9=4
y=-5
x=-2
Answered by
1
Answer:
y = 5
x = 8
Step-by-step explanation:
this is first equation.
this is second equation .
>multiply the 1st eq. {x-y =3} by 3
so we get
let this equation be 3rd.
then substitute equation 2nd and 3rd.
we get
then put the value of y in any equation you will get you value of x.
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