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45 votes
45 votes
Which method would be the best to solve the following system of equations? y=1/2x+6 -2x+4y=24

A. None of these methods will work.
B. Elimination
C. Substitution
D. Graphing

User Nitha
by
2.6k points

1 Answer

13 votes
13 votes

Answer:

C. Substitution

But gives you infinity solitions

Solving steps:

Step: Solvey=1/2

x+6for y:

y=1/2x+6

Step: Substitute

1/2

x+6foryin−2x+4y=24:

−2x+4y=24

−2x+4(1/2x+6)=24

24=24(Simplify both sides of the equation)

24+−24=24+−24(Add -24 to both sides)

0=0

User Artem Bernatskyi
by
3.2k points
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