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MissTica
2 years ago
7

(PHOTO) Please help me need this done by tomorrow thank you.​

Mathematics
1 answer:
Tomtit [17]2 years ago
7 0

Answer:

2x+78=5x+15

78-15=5x-2x

3x=63

x=21

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nignag [31]

Answer:

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Using Substitution Method we will have

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