Answer:
D
Explanation:
Answer: x=200
Step-by-step explanation: 1/5x-2/3y=30
1. Substitute y for 15: 1/5x-2/3(15)=30
2. Multiply 2/3 by 15 which is 10
3. Add 10 to 30 because of the negative sign before the -2/3
4. 1/5x=40
5. Multiply both sides by 5 to get 1x=200
6. x=200
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