Question

when i subtracted 11 from twice a number, the result was 15​

Answer 1

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

Answer 2

Answer:

Let that no. be z

Equation

$2z - 11 = 15$

2z =15+11

2z = 26

Z = 26/2

Z = 13