How many solutions are there to the following system of equations? 4x – 14y = 6 –2x + 7y = –3 A. 1 B. 2 C. infinitely many D. 0

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asked Jun 24, 2016 161k views

2 votes

How many solutions are there to the following system of equations?

4x – 14y = 6
–2x + 7y = –3

A.
1

B.
2

C.
infinitely many

D.
0

Mathematics
high-school

UnDeadHerbs asked

by UnDeadHerbs

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1 Answer

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$4x-14y=6 \\ -2x+7y=-3 \ \ \ |* 2 \\ \\ 4x-14y=6 \\ \underline{-4x+14y=-6} \\ 4x-4x-14y+14y=6-6 \\ 0=0 \\ always \ true \\ \\ \boxed{\hbox{infinitely many solutions}} \Leftarrow \hbox{answer C}$

Markzz answered Jun 30, 2016

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