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elena55 [62]
3 years ago
12

Steps to solve the equation 4n - 2n + 4 = -1 + 17

Mathematics
2 answers:
Liula [17]3 years ago
3 0

4n-2n+4=-1+17

2n+4=-1+17

-1+17=16

2n+4=16

Move + 4 to the other side. Sign changes from +4 to -4

2n+4-4=16-4

2n=12

Divide by 2 for 2n and 12

2n/2=12/2

n=6

Check answer by using substitution method

4(6)-2(6)+4=16

24-12+4=16

12+4=16

16=16

Answer : n=6

Serhud [2]3 years ago
3 0
4n - 2n + 4 = -1 + 17
2n + 4 = 16
-4 -4
2n = 12
2 2
n = 6
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