Question

- 3x + 7y = 2

- 2x - 3y = - 4

x = ?
Please EXPLAIN why. Thanks!

Answer 1

Any specific method?

Answer 2

A simple one maybe.

Answer 3

I mean substitution, elimination, matrices, etc.

Answer 4

There are no answer choices...

Answer 5

Not sure what that means, but alright lets just do substitution method, have you used that before?

Answer 6

Since we need x, we need to pick one of the equation isolate y (get y on its own) and the plug it into the second equation.

Answer 7

So... can you draw how we do that?

Answer 8

so pick an equation, which one do you want to solve y for?