Question

What is the first step in solving this system of equations by elimination?

2x – 2y = 5
5x + 2y = 9

Answer 1

eliminating the y's

Answer 2

Is this multiple choice or written response?

Answer 3

Multiple choice

Answer 4

A.
Subtract the two equations.
B.
Add the two equations.
C.
Solve for y.
D.
Multiply each equation by 2.

Answer 5

D

Answer 6

dude I will follow you and give you a medal if you help me

Answer 7

Ok thanks! Can you help me on 2 more?

Answer 8

yes

Answer 9

Thanks!
Which of the following would be the best first step to solve the system of equations?

2x – 9y = 6
4x – 3y = –7

Answer 10

A.
Multiply the first equation by 4.
B.
Multiply the second equation by 2.
C.
Multiply the first equation by –3.
D.
Multiply the second equation by –3.

Answer 11

multiply the second equation by -3

Answer 12

you want to get x or y the same number but opposite signs first so those can be eliminated

Answer 13

OK one more one minute I have to type the equation

Answer 14

k

Answer 15

How many solutions will the following system of linear equations have?
-2x+4y=-7
\[y=-\frac{ 1 }{ 2 }x+\]

Answer 16

it was +5

Answer 17

A.
0
B.
1
C.
2
D.
infinite

Answer 18

Nvm I submitted it and got a 90. Thanks dude! you are the best

Answer 19

sorry was gonna get someone to help you >.< my guess was 2 but wasnt completly sure