Answer:
1. 6 + x = 20
2. x - 7 = 4
3. 2 + x = 18
4. 2x + 2 = 13
Step-by-step explanation:
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Answers & Comments
Answer:
1. 6 + x = 20
2. x - 7 = 4
3. 2 + x = 18
4. 2x + 2 = 13
Step-by-step explanation: