Question

The sum of twice a nuber,n, and 14 is 30.

Answer 1

8

Explanation:

Twice means 2 so twice a number,n, means 2 times n thus 2n

sum means add so, 2n + 14

"is" means equal so 2n + 14 = 30

Solve for n:

2n=16

N=8

Answer 2

2x+14=30

2x =30-14

2x=16

x =8