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ValentinkaMS [17]
3 years ago
9

1

Mathematics
1 answer:
nadezda [96]3 years ago
7 0

Answer:

4 i think or -5 +1.........

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Actually thats wrong bc my teacher did it with us but i really dont know the answer
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muminat

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Step-by-step explanation:

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How do you do simultaneous equations by the method or substitution?​
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