24-01-2017
Mathematics

Answered

What expression con you substitute in the indicated equation to solve the system below?

5x+y=8

X+4y=2

A2-4y for x in 5x +y=8
B8+5x for y in 5x+y=8

C.2+4y for x in x +4y=2

D5+8x for y in x+4y=2

Verified Answer :

FirstSineOfMadness FirstSineOfMadness

24-01-2017

Looking at the first half of all the options, only x=2-4y can be derived from the original equations therefore
Final answer:
A. 2-4y for x in 5x+y=8
Hope I helped :)

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