Twice the difference of a number and 3 is 8 use the variable c for the unknown number.

C=7

Step-by-step explanation:

Solution;

Here,

2(c-3)=8(According to the question ) Difference between them is 8)

or,. 2c=8+6

or,c=14/2

or, c = 7

Therefore the value of c is 7.

Hope it helps you if yes click on thanks button & mark me as brainleast !