Question

Ten decreased by twice a number is two

Answer 1

let the number be x
(X×2)-10=2
2x-10=2
2x=2+10
2x=12
x=12÷2
x=6

Answer 2

Step-by-step explanation:

let the number to be=x

1. ten decreased by twice a number=2x-10
2. so, number is=2x-10=2
3. number is= 2x=2+10[transposing 10 to RHS]
4. number is=2x=12[the sum of 2+10=12]
5. number is=x=12/2=6[dhe dividing 12 by 2=6]
6. so, number is=6