Question

Solve the following system using the substitution method.

3x - y = -2
6x + 5y = 24

negative two-thirds, negative four
negative two-thirds, four
two-thirds, negative four
two-thirds, four

Answer 1

@matricked

Answer 2

can you isolate y from first eq 3x - y = -2

Answer 3

y = 2 + 3x

Answer 4

3x - y = -2
so we can rewrite
3x+2 =y
or y=3x+2 now we can plug y=3x+2 in 6x + 5y = 24

Answer 5

yup u r doing right ..

Answer 6

now in 6x + 5y = 24 replace y by 2 + 3x

Answer 7

6x + 5 (3x + 2) = 24
6x + 15x +10 = 24
21x = 14

Answer 8

correct

Answer 9

14/21 = 2/3

Answer 10

so thats x

Answer 11

yup

Answer 12

now use x =2/3 in y=2+3x to find y

Answer 13

and its -4
so the answer is C

Answer 14

thank you!

Answer 15

are you getting y as -4
y=2+3*(2/3) =2+2 =+4

Answer 16

so D

Answer 17

oh thanks