Register
if 7 is added to twice a number and this sum is multiplied by 2, the result the same as if the number is multiplied by -8 and 2 is added to product, what is the number?
220k views
3 votes
if 7 is added to twice a number and this sum is multiplied by 2, the result the same as if the number is multiplied by -8 and 2 is added to product, what is the number?

User Eric Palakovich Carr
by
7.8k points

1 Answer

3 votes
x - the number


2(2x+7)=-8x+2 \\ 4x+14=-8x+2 \\ 4x+8x=2-14 \\ 12x=-12 \\ x=(-12)/(12) \\ x=-1

The number is -1.
User Adeena
by
8.0k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Link Copied!