Question

Solve the system using the substitution method.

3x – 4y =10
2y = 2x – 6

Answer 1

so far, I lined it up so the y's and x's are on top of each other.

-4y+3x=10
2y-2x= 6

Answer 2

I always have trouble deciding which variable to solve for first.

Answer 3

use bottom one to solve for y

Answer 4

can you write it out for me

Answer 5

y=(2x-6)/2 divide both sides by 2. Perentheses needed to indicate you dividing the whole thing. (2x-6)/2 not same as 2x-6/2.

y=x-3 then finally you can divide the 2 into 2 and -6

Answer 6

which way are u doing it? substitution, elimination?

Answer 7

your q says to use substitution :)

Answer 8

wait why did you write y= (2x-6)/2 ?

Answer 9

solved for the bottom equation thats why

Answer 10

oh sorry woops

Answer 11

ok

Answer 12

REPOST
________

y=(2x-6)/2 divide both sides by 2. Perentheses needed to indicate you dividing the whole thing. (2x-6)/2 not same as 2x-6/2.

y=x-3 then finally you can divide the 2 into 2 and -6

Answer 13

you didn't really show how u go it though..

Answer 14

got*

Answer 15

how do you go from y=(2x-6)/2 to y= x -3