Answer:
12 + 3x = 27
Step-by-step explanation:
statement: 12 larger than 3 times a number is 27
it translates to
12 larger than 3 times a number = 27
the equal sign replaces the "is"
let the unknown number be x
so...
12 larger than 3*x = 27
the "larger than" means plus
so 12 + 3x = 27