Question

Examine the system of equations.

x + 3y = 7,

2x + 4y = 9

Which variable would be the most efficient to solve for?

x in the first equation

y in the first equation

x in the second equation

y in the second equation

Answer 1

X in the first equation. All you have to do is subtract 3y

Answer 2

Answer:

A.

Examine the system of equations.

x + 3y = 7,

2x + 4y = 9

Which variable would be the most efficient to solve for?

x in the first equation

y in the first equation

x in the second equation

y in the second equation