Please answer ASAP and ill give 20 points and brainlest
2 answers:
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Answer: -8 and -4
This is something you do through trial and error. Making a list or a table like shown below might help.
Um.. Both of those equations are the exact same. Divide both sides of the first equation by 6. You get:
That is the exact same as the second equation. This system has an infinite number of solutions. 5x - 7y = -1 is a line, so basically every point on that line is a solution to the system.
For example,
and 
would work, but so would 
and 
That is the exact same as the second equation. This system has an infinite number of solutions. 5x - 7y = -1 is a line, so basically every point on that line is a solution to the system.
For example,