228k views
4 votes
The difference of twice a number and five is three. Find the num

Translate the word problem to an equation. Which steps describe how to solve the equation?
add 2 then multiply by
multiply by - then add 5
add 5 then multiply by
subtract 5 then multiply by -

User Nube
by
7.2k points

1 Answer

2 votes

Answer:

add 5 then multiply by 1/2

Explanation:

Twice a number is 2n.

The difference of twice a number and five 2n - 5.

The difference of twice a number and five is three. 2n - 5 = 3

2n - 5 = 3

2n - 5 + 5 = 3 + 5 (1) add 5

2n = 8

1/2*2n = 1/2*8 (2) multiply by 1/2

n = 4

User Haythem Farhat
by
7.8k points