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Serhud [2]
3 years ago
5

Please help!!!

Mathematics
1 answer:
valentinak56 [21]3 years ago
3 0

Answer:

23

Step-by-step explanation:

X - 15 =8

+ 15 +15

15+8=23

23-15=8

X =23

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<u>Substitut</u><u>ion</u><u> </u><u>Method</u><u>:</u>

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