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Q: Solve for n. 0.7(6 - 0.3n) = -2.1
A: n=30.
Original conversation
User: Solve for n. 0.7(6 - 0.3n) = -2.1

Weegy: n=30.

User: Solve for x. 4(2x - 7) = 36

Question
Updated 6/1/2014 3:11:07 PM
Rating
3
4(2x - 7) = 36

8x -28 = 36

8x = 36 + 28

8x = 64

x = 64/8

x = 8
Confirmed by andrewpallarca [6/2/2014 11:34:06 AM]
3
0.7(6 - 0.3n) = -2.1

4.2 - 0.21n = -2.1

4.2 + 2.1 = 0.21n

0.21n = 6.3

n = 6.3/0.21

n = 30
Confirmed by andrewpallarca [6/2/2014 11:34:19 AM]

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