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Makovka662 [10]
4 years ago
5

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

Mathematics
2 answers:
geniusboy [140]4 years ago
7 0
X-y=7
y=3x+12|-3x

x-y=7
-3x+y=12
---------------------,-
-2x=19
x=-19/2
mrs_skeptik [129]4 years ago
7 0
-19/2
------------------------------

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