Answer:
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Step-by-step explanation:
Answer:
d= -2
Step-by-step explanation:
7 + 4d + 5d = 7d + 3
Combine like terms
7+9d = 7d+3
Subtract 7d from each side
7+9d-7d = 7d-7d+3
2d +7 = 3
Subtract 7 from each side
2d+7-7 = 3-7
2d = -4
Divide each side by 2
2d/2 = -4/2
d = -2
Answer:
7. 23
8. 18
9. 55
10. 17
Step-by-step explanation:
I=20 amps.
By the way, did you know that this is Ohm's Law?