A number increased by seven is equal to eleven more than three times the number

Answer 1

Let "n" be a number.

"Increasing by 7" means n + 7

"is" means equals (=)

three times the number is 3n and eleven more than that is 3n + 11

So putting these together we get:

n + 7 = 3n + 11

Subtract 11 from both sides to get:

n - 4 = 3n

Subtract "n" from both sides to get:

-4 = 2n

Divide both sides by 2 to get:

-2 = n

So the number is -2