Question

What is the value of the x variable in the solution to the following system of equations?

2x − 3y = 3
5x − 4y = 4

A) −1
B) 0
C) x can be any number as there are infinitely many solutions to this system
D) There is no x value as there is no solution to this system

Answer 1

@mecharv

Answer 2

You have to carry out elimination..

Answer 3

Well what will we use? elimination or substitution ?

Answer 4

Oops, I am sorry @jagr2713 We can use any one right?

Answer 5

So if we are using elimination what numbers do we have to multiply to get both x's equal to each other to subtract ?

Answer 6

I am not sure i am really struggling.

Answer 7

@mecharv elimination is easier so lets go that way :D

Answer 8

Well lets use elimination :D

So if we are using elimination what numbers do we have to multiply to get both x's equal to each other to subtract ?

Answer 9

Yes

Answer 10

Ok Lets use the x's because its easier.

So what is the LCD of 2 and 5 ?

Answer 11

What number do both 2 and 5 go into?

Answer 12

10

Answer 13

Sweet! So what do we have to multiply 2 too get 10

and same for 5?

Answer 14

5 &2

Answer 15

t