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Solving With Substitution (FOR 10 POINTS!): y= 2x + 1 3x + y = -9

Solving With Substitution (FOR 10 POINTS!): y= 2x + 1 3x + y = -9
asked 196k views
5 votes
Solving With Substitution (FOR 10 POINTS!):
y= 2x + 1
3x + y = -9

asked
User Noobiehacker
by
8.1k points

1 Answer

1 vote

Answer:


y = 2x + 1 \\ 3x + y = \: - 9 \\ \\ 3x + 2x + 1 = - 9 \\ 5x = - 10 \\ x = - 2 \\ \\ y = 2( - 2) + 1 \\ y = - 3 \\ ( - 2 \: and \: - 3)

answered
User MeiSign
by
8.0k points
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