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Greeley [361]
3 years ago
13

The sum of five times a number and 6 more than the number is the same as the difference between -18 and twice the number. What i

s the number?
Mathematics
2 answers:
nalin [4]3 years ago
5 0
5x + (6+x) = -18 - x
6x + 6 = -18 - x
6x + x = -18 - 6 
7x = -24
x = -24/7 
goblinko [34]3 years ago
4 0
N = -3
5n + n + 6 = -18 - 2n
6n + 6 = -18 - 2n
-6 to both sides
6n = -24 - 2n
+2n to both sides
8n = -24
divide 8 to both sides
n = -3

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