alexandercott
contestada

Which of the following describes the correct process for solving the equation 3x+6=21 and arrives at the correct solution?

A. Divide both sides by 6 and then at 3 the solution is x=5

B. 562 both sides of the equation and then divide by 2 the solution is x=9

C. Subtract 6 from both sides of the equation and then divide by 3 the solution is x=8

D. Subtract 6 from both sides of the equation and then divide by 3 the solution is x=5

Respuesta :

JoshEast
The correct solution is C

Subtract 6 from both sides of the equation
        3x + 6 - 6 = 21 - 6
        3x = 15

Then divide both sides by 3

       [tex] \frac{3x}{3} = \frac{15}{3} [/tex]
       
       x = 5