Respuesta :

Answer: x = 6

Given the equation: 6(2x - 11) + 15 = 21

Step 1: Open the parenthesis using the distributive property

6* 2x - 6*11 + 15 = 21

12x - 66 + 15 = 21

Step 2: Collect the like terms

12x = 21 - 15 + 66

12x = 72

Step 3: Divide both sides by 12

12x/12 = 72/2

x = 6

The answer is 6