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Solve using substitution. y = x + 1 y = 2x + 9

Solve using substitution. y = x + 1 y = 2x + 9
asked 114k views
12 votes
Solve using substitution.

y = x + 1
y = 2x + 9

asked
User Matt Mills
by
8.9k points

1 Answer

8 votes

Answer:

x=-8; y=-7

Explanation:

x+1=2x+9

suy ra x=-8

thay x vào y=x+1

suy ra y=-7

answered
User AndrewSB
by
8.7k points
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