Question

For which system of equations would elimination be the simplest technique to choose?
~ y = 2x and x + 3y = 5
~ 4x + 3y = 6 and 3y = 5
~ x + y = 7 and x - y = 12
~ 3x - 2y = 8 and 4x - 5y = 20

Answer 1

Which one do you think ?

Answer 2

Elimination is easiest when two equations have a variable with the same coefficients but opposite signs.

Answer 3

which one can you add or subtract without needing to multiply or divide?

Answer 4

invisible guy, whpalmer4 ?

Answer 5

The 3rd One

Answer 6

good job

Answer 7

Yes, it's C :)

Answer 8

Thank ya'll for helping!

Answer 9

You welcome !