Question

Jill wants to solve the following system using the elimination method:

y = x + 8
y = 3x − 11

What number should the equation y = x + 8 be multiplied by to eliminate x?

−1
−2
−3
3

Answer 1

you need to chANGE THE X IN THE FIRST EQUATION TO -3X

Answer 2

to do that you multiply the first equation by what?

Answer 3

idk I am so confused on this

Answer 4

x times ___ = -3x

what goes in the blank space?

Answer 5

y?

Answer 6

no that would give you xy

Answer 7

you need -3x

Answer 8

I have no idea

Answer 9

x times 2 = 2x
x times 4 = 4x
x times -3 = -3x

Answer 10

simple

Answer 11

so basically the number without x?

Answer 12

yes

Answer 13

y = x + 8 * -3 is
-3y = -3x - 24

when you add this equation
to
y = 3x - 11

the terms in x disappear because -3x + 3x = 0

Answer 14

thx

Answer 15

yw

Answer 16

terms like -3x mean '-3 times x'.

Answer 17

the multiply is understood

Answer 18

angt iu went ih the ohter?

Answer 19

wiw gitch

Answer 20

???