Question

Solve the following equation for x 9x - 18 = 81

Answer 1

x= 11

Explanation:

or, 9x-18=81

or, 9x=81+18

or, 9x=99

or, x=99/9

or, x=11

Answer 2

x=11

Explanation:

9x−18=81

Step 1: Add 18 to both sides.

9x−18+18=81+18

9x=99

Step 2: Divide both sides by 9.

9x/9 = 99/9

Answer: x=11