Asked by Olivia

I need help on this equation:
-5(-3n+4)-12=13
Answered by Ms. Sue
-5(-3n+4)-12=13

15n - 20 - 12 = 13
15n - 32 = 13
15n = 13 + 32
15n = 45
n = ?

Answered by jim
-5(-3n+4)-12=13

Add 12 to both sides:

-5(-3n+4)=25

Divide across by 5:

3n - 4 = 5

Add 4 to both sides:

(you fill this in)

Finally, divide across by 3:

(you fill this in too!)
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