Answer: 70, 420, 170
Step-by-step explanation:
x+6x+x+100 = 660
8x+100=660
8x=660-100
x=560/8=70
Step-by-step explanation:
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Answer:
c
Step-by-step explanation:
Step-by-step explanation:
9v-4v+7v
= 5v+7v
= 12v
The answer is 12v