Question

When three times a number is subtracted from 13 the result is 5 plus the number what is the number?

Answer 1

• let the number be x

• Mathematical interpretation and manipulation of the above statement:

`\hookrightarrow \: { \tt{13 - 3x = 5 + x}}`

• solve and simplify:

`{ \tt{x + 3x = 13 - 5}} \\ \\ { \tt{4x = 8}} \\ \\ \dashrightarrow \: { \boxed{ \rm{ \: x = 2 \: }}}`

Answer: The number is 2