Question

2n+5=20?????????????

Answer 1

2n+5=20

Subtract 5 from 5 and 20

2n=15

Divide 15 and 2 by 2

n=7.5

:P

Answer 2

n ≈ 7.5

2n + 5 ≈ 20

5 - 20 = 2n ≈ 15

Subtract 5 from 5 and 20 .

2n = 15

15 ÷ 2 ≈ 7.5

n ≈ 7.5

Echy~