Answer:
x = 7
Explanation:
2.5x + 10 = x - 0.5
2.5x - x + 10 = - 0.5
1.5x + 10 = - 0.5
1.5x = - 10 - 0.5
1.5x = - 10.5
x = - 105/15
Answer: 7
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