Question
1. If the product of 5 and the sum of 10 and a certain number is equal to 15, what is the number? 2. The sum of two consecutive counting numbers divided by their positive difference is 9. Find the larger numbers.
Answers
Ms. Sue
5(10 + n) = 15
50 + 5n = 15
5n = -35
n = ?
50 + 5n = 15
5n = -35
n = ?
n=35/5
7
7
sorry wrong solution
5n=-35
n=-35/5
n=-7
5n=-35
n=-35/5
n=-7
5×10+x=15
(5×10=50)
50+x=15
Collect like terms
X=15-50=-35
So therefore x=35
(5×10=50)
50+x=15
Collect like terms
X=15-50=-35
So therefore x=35
Sorry I MEANT X=-35
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