Question

Select the choice below that could be the first step in solving the following system of equations using substitution:
-x + 6y − 10 = 0
3x − 6y = 1

a. Replace the right side of the second equation with the first equation.
b. Write the first equation in terms of x.
c. Multiply the second equation by 3.
d. Multiply the first equation by 3.

Answer 1

b. Write the first equation in terms of x.