Question

y-3y/x=71,what is the value of x?​

Answer 1

Answer:

(

142

5

,

71

5

)

Explanation:

2

x

−

y

=

71

and

3

y

=

x

you just substitute one equation into the other

since

x

=

3

y

you can just insert that into

2

x

−

y

=

71

2

(

3

y

)

−

y

=

71

6

y

−

6

=

71

5

y

=

71

y

=

71

5

then we plug this y-value into either equation

2

x

−

71

5

=

71

2

x

=

284

5

x

=

284

10

=

142

5

(

142

5

,

71

5

)