Question

I need math help

Answer 1

ok

Answer 2

Substitution is when you want to have one variable canceled out in order to solve the equation. None of the variables are the same so you have to multiply one of the equations to make one of the variables the same.

Answer 3

ok can you show me how plz

Answer 4

Sure let me find an example.

Answer 5

ok!

Answer 6

I found a video that shows a problem related to the one your working with right now, will that work?

Answer 7

mhm!

Answer 8

https://www.youtube.com/watch?v=ZSJ32Bq9sbQ Here you go

Answer 9

ok! Ummm it is kinda confusing me

Answer 10

So when you have to multiply an equation to make a variable the same, one variable has to be positive in the first equation, and in the second equation has to be negative. For example, if you choose to eliminate x, you would multiply the first equation by 5 and the second equation by -3.

Answer 11

Just remember these:
negative x negative = positive
negative x positive= negative
positive x positive= positive
positive x negative = negative

Answer 12

you still need help are do you understand

Answer 13

ez