Question

Solve for x.

x =
30
27
33

Answer 1

Explanation:

3x + 9 + 90 = 180

3x + 99 = 180

3x = 81

x = 81/3

x = 27

3(27) + 9 = 81 + 9 = 90

Answer 2

the answer is 27

Explanation:

3x+9+90=180

3x+99=180

3x=180-99

x=81/3

x=27