Question

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

Answer 1

@dude

Answer 2

A Divide both sides by 6 and then add 3. The solution is x = 5.


B Add 6 to both sides of the equation and then divide by 3. 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.

Answer 3

oops a mathematic mistake
Subtract by 6 on both sides,
3x=15
Divide by 3 on both sides
x=5

Answer 4

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