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there has to be like one

of the answers

to the variables

is that the whole question ???

Its a simultaenous equation do you have any ideas?

yes thats the whole question the + equation is on top of the - equation

oh i hate question like this

yah i've learned some really tough things and i have never done something like this

Start by\[X=1-Y\]
Plug that into the second eqn

then*

ok ill try it his way
but im still coming up blank

ok for the second one it is 1 - (-7)

AND YOU WOULD GET ????

Eqn 2 becomes\[(1-Y)-Y = 7\]
So1-2Y=7
-2Y=6
Y=-3

correct @bleumom22 see now you get for #2

Can you solve for X now?

just substitiue for y and then ill get the x variable?

Good. Let me know what you get for X

ok
x=4?

Yes.

good job

im sorry can you tell me the first step to solving this.

Glad to help :)

I have two exams next week and need to remember this.

Just start by Solving for X
So from X+Y=1, say X=1-Y
then plug that into the second equation.

as one of the varibles*
to reverse calculate?

Yes. If you have any more questions just @ my username. Ill get a notification and i can help later

and i will try to help you if you need it ok

ok thank you to @incomplte and @ashlynn143

your welcome i gtg for like 15 min