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3 years ago

How do you solve the equation 3w-(-4)=8-w

Mathematics

1 answer:

Anit [1.1K]3 years ago

8 0

3w-(-4)=8-w
4w+4=8
4w=4
w=1

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2 years ago

Can someone help with #3 and show your work !!

ioda

If s represents the number of songs Kim downloads, her expenses for a month must satisfy the inequality
5.00 + 0.58·s ≤ 13.00

To solve this, subtract 5.00 to get the s-term by itself, then divide by the coefficient of s.
0.58·s ≤ 8.00
s ≤ 8.00/0.58 ≈ 13.79
The number of songs must be an integer, so we conclude Kim can download 13 songs, but not 14 songs.

Kim can download 13 songs without exceeding her budget.

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