northpolea northpolea

01-02-2019
Mathematics

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WILL MARK BRAINLIEST!! 50 POINTS!! SHOW ALL WORK!!

What is the solution to the system of equations? Use the substitution method and show your work. -5x+y= -3 -15 x+3y=7

Explain what your answer in part (a) tells you about the association of the lines in this system.

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AlbertThomas AlbertThomas

01-02-2019

We are given -5x + y = -3 and
-15x +3y = -7

We let y = 5x - 3

Then -15x + 3(5x - 3) = -7 or
-15x + 15x -9 = -7 which leads to
-9 = -7

This result means the lines do not intersect

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