Respuesta :

The answer would be 4. 9x4=36 and then 36+7= 43.  
musiclover10045
9x+7 = 43

1st step you need to get 9x by itself, to do this subtract 7 from both sides

9x +7 - 7 = 43 - 7

now you have 9x = 36

 to solve for x divide both sides by 9

9x /9 = 36/9

x = 4