72.9k views
5 votes
1. 2.5x + 100 = 600
2. 10 = 2x - 4
3. 2x + 5 = 30

1 Answer

4 votes

Answer:

1) 200 2) 7 3) 12.5

Explanation:

For god's sake, use a calculator

User Alex Ponomarev
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