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5(5x + 10) + 4x = 8
25x + 50 + 4x = 8
29x + 50 = 8
29x = 8 - 50
29x = -42
x = -42/29

reduce if you can...

could you show me what I did wrong ill show you how I solved it

go right ahead :)

5y+4x=8
y=5x+10
5(5x+10)+4x=8
25x+50+4x=8
21x+50=8
21x=-42
x=-2
y=5(-20)+10
y=-10+10
y=0

That is what I did

And I was pretty sure that was the answer.

25x + 4x does NOT equal 21x

Oh sorry I made a typing misatke to y=5(-2)+10 should be the one line

Ithought you subtracted

nope; when it says 25 + 4, it actually means to add. That little (+) sign means add....

I know but I was taught that you did the opposite to get rid of it

Hold on let me check quick

5y + 4x = 8
y + 5x = 10
it says ''solving a system of equations by substitution''

Im sorry

The last one is the correct one

OK thanks im gonna look over this for a minute

Im sorry im kinda confussed I was taught in a different way and im trying to figure this all out

I got y=5x+10

Not really im sorry

Can you tell me what the (=) sign means?

See for Y im somehow got -5x+10

-5x + 10 is correct, and it is the same thing as 10-5x
am i right or wrong?

Oh so then I did have it right?

Yeah thats what I meant im sorry I cant type today at all

:) paper and pencil is always easier when doing math

Yeah it is but thanks for showing me that now im gonna rework the problem and see if i get it right

so should the set up be 5(-5x+10)+4x=8

Yes

Ok I think im getting this down now

you are doing great :)

Thanks I have really been having a tough time this year

Does y = 2

and x=0

Ok thanks a lot :)