Question

How do you solve this equation? 1/3|6x+5|=7

Answer 1

|6x + 5| = 7 · 3

|6x + 5| = 21

6x + 5 = 21 (1st equation)

-6x + 5 = 21

(1st equation)

6x = 21 - 5

6x = 16

x = 8/3

(2nd equation)

-6x - 5 = 21

-6x = 21 + 5

-6x = 26

x = -13/3

so all of the solutions are;

x = -13/3, 8/3