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Makovka662 [10]
3 years ago
10

I need to know carly’s mistake

Mathematics
2 answers:
borishaifa [10]3 years ago
8 0

Answer:

Carly multiply by -4 instead of dividing

Step-by-step explanation:

-4(7j+2) = 10

Divide each side by -4

-4/-4(7j+2) = 10/-4

7j+2 = -2.5

Ivenika [448]3 years ago
5 0

Answer:

Carly's mistake is in Step 1. She multiplied -4 and 10 instead of dividing -4 and 10

Step-by-step explanation:

-4(7j+2)=10

7j+2= -2.5

7j= -4.5

j= -0.643 or j = -4/7

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