Question

Solve the following system of equations by the substitution method.

10x + 10y = 1

x = y - 3

What is the value of y?

Answer 1

is that the equation?

Answer 2

yes

Answer 3

these are also the answer choices

-29/20
31/20
-3/2

Answer 4

10(y-3)+10y=1
10y-30+10y=1
20y-30=1
20y-30+30=1+30
20y=31
y=1.55

see i was asking because you dont get an even anwser..unless let me try to flip it hold on :P

Answer 5

oh tay c:

Answer 6

oh its 31/20..lol

Answer 7

ok that is what i put all my classes are online and math quizes suck :p

Answer 8

yes they do! i do school online too soo i know how you feel!

Answer 9

What program do you use?

Answer 10

flvs

Answer 11

message me :)