Question

If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalent to x from the first equation is substituted into the second equation.
–x + 5y = 1
2x + 4y = –4

A. 2(–5y + 1) + 4y = –4
B. 2x + 4(5y – 1) = –4
C. 2x + 4(–5y + 1) = –4
D. 2(5y – 1) + 4y = –4

Answer 1

D

Answer 2

D. 2(5y – 1) + 4y = –4

Answer 3

D too