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Solve the system of equations and choose the correct answer from the list of options. x − y = 7 y = 3x + 12

Solve the system of equations and choose the correct answer from the list of options. x − y = 7 y = 3x + 12
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2 votes
Solve the system of equations and choose the correct answer from the list of options. x − y = 7 y = 3x + 12

User Drooooooid
by
7.3k points

1 Answer

4 votes
x-y=7
y=3x+12|-3x

x-y=7
-3x+y=12
---------------------,-
-2x=19
x=-19/2
User Gaetane
by
7.9k points
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