Question

the sum of twice a number and 4 is 20 . find the number

Answer 1

hiii,

let the number be x

ATP,
2x + 4 = 20
=> 2x = 20 - 4
=> 2x = 16
=> x = 8

hope helps

Answer 2

Let the no.be x
2x+4=20
2x=20-4
2x = 16
x = 16÷2
x = 8