Question

Solve the system, using substitution. One point for correct steps, one point for correct ordered pair.
x = 4y and 2x + 3y = 44

Answer 1

\[2(4y)+3y=44\] i plugged in x=4y in place of X

Answer 2

can u solve the rest?

Answer 3

Combine the like terms....whats 4y+3y ?

Answer 4

no can u walk me through it

Answer 5

i just took x=4y and plugged it into the other equation nothing complicated

Answer 6

\[2(4y)+3y=44 \]
4y+3y=?

Answer 7

7y

Answer 8

good!
now we have \[2+7y=44\]

Answer 9

subtract 2 from both sides what are you left with?

Answer 10

i got 44/9

Answer 11

thats incorrect if you subtract 44-2 you get 42
what is 42/7 ?

Answer 12

6

Answer 13

good so y=6

Answer 14

now we plug that in to the other equation

Answer 15

ok

Answer 16

\[x=4(6)\]

Answer 17

i got 24

Answer 18

is that right

Answer 19

yep x=24 y=6

Answer 20

the what

Answer 21

what?

Answer 22

is that all for the question

Answer 23

yeah :)

Answer 24

so i got it !

Answer 25

i got 2 go see u tomorrow.

Answer 26

bye :) and good work!