Question

seven times the sum of a number and 2 is equal to 9

Answer 1

Let x = a number

7(x + 2) = 9

Then we solve for x. First, distribute:

7x + 14 = 9

Subtract 14 from both sides:

7x = -5

Divide by 7 on both sides:

$x= \frac{-5}{7}$

The number is then -5/7.