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Mkey [24]
4 years ago
15

The sum of 7 times a number and -3 is multiplied by 2. This result is 114 greater than the opposite of the number. Find the numb

er.
Mathematics
1 answer:
tino4ka555 [31]4 years ago
7 0
2(7n-3)=-n+114

14n-6=-n+114

15n=120

n=8

check...

2(7*8-3)=-8+114

2(56-3)=106

2(53)=106

106=106
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