Rewrite the 2nd equation as
y = -4 -2x
then substitute into the 1st equation so you get

then solve for x.
when you get the value of x, substitute it into either equation to find y
hope it helps
183.6 should be your answer. 6 x 6 = 36. 36 x 5.1 is 183.6 sooooo sorry if I am wrong.
C. 15
-1 is not a natural number so B is not your answer
0.5 is not a whole number so D is not your answer
0 is not a natural number so A is not your answer
Answer:
math error ...............
(12 x 2) - 5 because twice as many means to multiply by 2. fewer means to subtract.