alexandercott
Answered

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

ADivide both sides by 6 and then at 3 the solution is x=5

B562 both sides of the equation and then divide by 2 the solution is x=9

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

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

Verified Answer :

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

       \(\frac{3x}{3} = \frac{15}{3}\)
       
       x = 5

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