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vodka [1.7K]
3 years ago
9

Help please it’s my last questions

Mathematics
1 answer:
mihalych1998 [28]3 years ago
3 0

Answer:

The one u highlighted is correct. C.

Step-by-step explanation:

If u substitute -2 to 2x, it is -4. then substitute the second one -2 to-5y, it is +10. -4+10=6. Then for the second thing. Substitute 1 to 2x which is 2*1=2. Then substitute-4/5 to -5y which is +4. 2+4=6.

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