Question

Solve for u. 2u+5=15 Simplify your answer as n

Answer 1

`n = 10`

Explanation:

If

`2u + 5 = 15 \: then \: 2u = 15 + 5 = 20`

`2u = 20 \: then \: u = 10`

`u = n = 10`

Answer 2

u = 5

Explanation:

2u + 5 = 15 ( subtract 5 from both sides )

2u = 10 ( divide both sides by 2 )

u = 5