1 . Nine more than four times a number is the same as one less than twice the number. Find the number.
2. Eighty, decreased by three times a number, is the same as five times the number, increased by eight. Find the number.
2. Eighty, decreased by three times a number, is the same as five times the number, increased by eight. Find the number.
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1) 4N+9 = 2N-1
2N = -10
N = -5
2) 80-3N=5N+8
72 = 8N
N = 9
2N = -10
N = -5
2) 80-3N=5N+8
72 = 8N
N = 9