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laiz [17]
3 years ago
12

Solve the system using submsitution x+y=-10 y=5x+2

Mathematics
1 answer:
Nitella [24]3 years ago
4 0

Answer:

x+y= -10

y=5x+2

solution

x+(5x+2)= -10

x+5x+2= -10

6x+2= -10

6x= -10-2

6x= -12

6x/6= -12/6

x= -2

while y=5x+2

y= 5(-2)+2

y= -10+2

y= -8

x= -2, y= -8

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