Question

Select the choice below that could be the first step in solving the following system of equations using substitution:
7x + -y − 5 = 0
3x − 4y = 2

a. Write the first equation in terms of y.
b. Multiply the second equation by -7.
c. Replace the right side of the second equation with the first equation.
d. Multiply the first equation by -4.

Answer 1

a. Write the first equation in terms of y.

Answer 2

its A