Question

PLEASE HELP! I WILL GIVE METAL

A system of equations is given below.
2x + 7y = 1
-3x – 4y = 5

A Create an equivalent system of equations by replacing the first equation by multiplying the first equation by an integer other than 1, and adding it to the second equation.
B Use any method to solve the equivalent system of equations (the new first equation with the original second equation).
C Prove that the solution for the equivalent system is the same as the solution for the original system of equations.

Answer 1

@mathmale

Answer 2

@vshiroky

Answer 3

@Questioner1

Answer 4

@QueenBee232

Answer 5

@cris1234

Answer 6

@cakt07 @Vonte12

Answer 7

Anyone?

Answer 8

@kmp96

Answer 9

@Grassstar