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Rus_ich [418]
3 years ago
15

Solve the system by substitution. -2x=3y=9 -x=y

Mathematics
1 answer:
levacccp [35]3 years ago
4 0

Answer:

-2x=3y    (we have 9 more) = 9

-4 = 5  x=-4 =9  as -4+5=1

-2x=3y = 1

= +-4 + 4 = 8 + 1 = 9

y=5  

As -2x=3y = 1

= +-4 + 4 = 8 +1 = 9

+ 5 +5 +5 = 15

Step-by-step explanation:

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