Respuesta :
x=10
what you do i because the 7 is being subtracted you add it to the 7 and to 23 to cancel it out so it becomes 3x=30 then you divide both by 3 and end up with x=10
what you do i because the 7 is being subtracted you add it to the 7 and to 23 to cancel it out so it becomes 3x=30 then you divide both by 3 and end up with x=10