EASY 7TH GRADE MATH Which step could you use to start solving this system of equations?

2x + 5y = 1

8x + 4y = 16

Group of answer choices

subtract 5y-1 for x in 8x + 4y =16

multiply 2x + 5y = 1 by -4

multiply 2x + 5y= 1 by 4 and then add it to 8x + 4y =16

MULTIPLY

im not sure what this means: mc011-7.jpg

step-by-step explanation:

answer: c

substitute in the values.

for a:

f(0) = 0 + 9

f(0) = 9

a is a solution.

for b:

f(7) = 14 + 9

f(7) = 23

b is a solution.

for c:

f (3) = 6 + 9

f(3) = 15

c is not a solution. it's supposed to be 14.

for d:

f(2) = 4 + 9

f(2)= 13

d is a solution.