The changes would be 35 because you just subtract
30+2x=3x+5
x=25
edit: sorry for the wrong answer. i messed up
Hello my friend is in a lot that way we have some stuff in our garage that way I dont I know how much we have a little thing in our school so I will can I have the answer and you can get them for the kids
Use Excel graphing. Then make histogram (a graph that represents values with columns)
