Which is the best first step when solving the following system of equations? x + y = 3. 4 x minus y = 7. Multiply the first equa

Question

2 years ago

15

Which is the best first step when solving the following system of equations? x + y = 3. 4 x minus y = 7. Multiply the first equa

tion by 4. Add the first equation to the second equation. Multiply the second equation by Negative 1. Subtract the second equation from the first equation.

Mathematics

2 answers:

Gala2k [10] · Answer 1 · 2022-08-23T00:52:38+03:00

Gala2k [10]2 years ago

8 0

Answer:

The other guy is wrong its c

Step-by-step explanation:

Kryger [21] · Answer 2 · 2022-08-22T22:43:01+03:00

Kryger [21]2 years ago

6 0

Answer:

Multiply the first equation by 4.

Step-by-step explanation:

4(x+y=3) which gives

4x+4y=12

and

4x-y=7

Then subtract the two equations and the x variable will be eliminated.