What is 51= 3x even mean

Step-by-step explanation:

if you multiplied a number by 3, you would get 51. If you want to solve for x, divide on both sides of the equal sign.

51/3 = 3x/3

17=x

17

Step-by-step explanation: X is your variable, you need to find what X equals

In this case you can divide

51/3= 17

You can plug in your result to check your work. If the equation is true, it is  correct

Since 51= 3 x 17, or 3 x 17= 51, this is correct

the equation for this situation is y=122+45. to solve the equation you would add 45 and 122 to get a total of 167lbs. in conclusion, grace's weight eight weeks ago was 167lbs.  

i think it might be a but you might want a second opinion