SOLUTION: if i multiply the number by 4 and then add 5, i get the same answer as when i double the number and then add 8
Algebra.Com
Question 373291: if i multiply the number by 4 and then add 5, i get the same answer as when i double the number and then add 8
Answer by checkley79(3341) (Show Source): You can put this solution on YOUR website!
4N+5=2N+8
4N-2N=8-5
2N=3
N=1.5 ANS.
PROOF:
4*1.5+5=2*1.5+8
6+5=3+8
11=11
RELATED QUESTIONS
can you help me on this question please: If i add 4 to the number and then multiply the... (answered by stanbon)
I start with a number when i divide the number by 6 then add 4 and then double it i get... (answered by Cromlix)
multiply a number by 4 and add 2 , then multiply the result by 10 .the answer is the same (answered by Alan3354)
i am thinking of a number
i multiply it by 2 and add 43
i get the same answer if i... (answered by jorel555)
Can you please help me on this question: If i multiply the number by 4, add 3 and then... (answered by stanbon)
i am thinking of number i multiply it by 5 and add 77 i get the same answer if i multiply (answered by bostonmathtutor)
I am thinking of a number.
I multiply it by 2 and add 104.
I get the same answer if I... (answered by amarjeeth123)
I add 12 to a number and then double their sum. The result is one and ahalf times what i... (answered by Timnewman)
I add 12 to a number and then double their sum. The result is one and half times what i... (answered by josgarithmetic,MathTherapy,ikleyn)