Question

Select the choice below that could be the first step in solving the following system of equations using substitution:
-x + 4y − 9 = 0
3x − 5y = 10

Answer 1

whitch one is it Replace the right side of the second equation with the first equation
Multiply the first equation by 3
Multiply the second equation by 4
Write the first equation in terms of x

Answer 2

Replace the right side of the second equation with the first equation

Answer 3

Multiply the first equation by 3. Then you could add the two equations, if you had to continue.