9. 3x + 5 = 0.5x - 7
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3x + 5 = 0.5x - 7
3x - 0.5x = - 7 - 5
2.5x = - 12
x = - 12/2.5
x = - 4.8
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Answered by
1
Answer:
x=-12/2,5
Step-by-step explanation:
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