Answered

Determine whether the ordered pair is a solution to the given system of linear equations.

1. (-3, 2); a.) x + 4y =1

b.) y - x = 4



2. (4, -2); a.) 7x + y =26



b.) 3x + 2y = 8

Sagot :

Answer:

x = 1; y = 1/2

Step-by-step explanation:

Explanation:

2

x

+

2

y

=

3

x

−

4

y

=

−

1

From the 2nd equation:  

x

=

4

y

−

1

put this x to the 1st equation:

2

(

4

y

−

1

)

+

2

y

=

3

8

y

−

2

+

2

y

=

3

10

y

=

5

y

=

1

2

And on the end y put to the x:

x

=

4

⋅

1

2

−

1

=

2

−

1

=

1

Go Educations: Other Questions