Question

Using the elimination method what are the solutions to this a+8b=8, a+3b=-2

Answer 1

help me please

Answer 2

a+8b=8-(1)
a+3b=-2-(2)
Subtract equation (2) from equation (1).
can u plz tell me vat u get @cdelomas?

Answer 3

7

Answer 4

hmm no.
(1)-(2)=>
a+8b-a-3b=8-(-2)
5b=8+2
5b=10
Can u find b @cdelomas?

Answer 5

not sure

Answer 6

The answer is 2

Answer 7

thanks

Answer 8

Divide by 5 both sides to find b.

Answer 9

2

Answer 10

yes its 2

Answer 11

so there is one solution

Answer 12

yup.
Nw to find a
put 2 in place of b in a+8b=8.
can u find a @cdelomas?

Answer 13

no

Answer 14

can you help me find it

Answer 15

a+8b=8
a+8(2)=8
a+16=8
Subtract 16 both sides.

Answer 16

it hard but ill try

Answer 17

is the answer 2 with one solution

Answer 18

hmm no.
a is not equal to 2.
a+16=8
a=8-16
=-8

Answer 19

Getting it?

Answer 20

so the answer is -8 with one solution

Answer 21

yes

Answer 22

so what is the solution set

Answer 23

anas2000 is that the solution -8

Answer 24

hmm no.
a=-8 and b=2

Answer 25

yes -8 and 2 is the answer

Answer 26

so it would be (-8,2)

Answer 27

yes

Answer 28

is this a multiple choice question?

Answer 29

no

Answer 30

then yes its -8,2