Question

when 1 subtracted from 2 from twice a number,the result was 15

Answer 1

Step-by-step explanation:

2x-11=15

2x=15+11

2x=26

x=26÷2

x=13

therefore the number is 16

CHECKING

(2×16)-11

26-11

15

Answer 2

$\huge\bold\red\bigstar{AnswEr}$

Let that no. Is x then

11-2x=15

Then transpose 11 to right hand side then

-2x=15-11

-2x=4

X=4/-2=-2