Find the output (EASY)
If the input is 7 and the rule 5x+2 is what is the output? (x=input)
37
If the output is 30 and the rule is multiply by 10 what is the input? (x=input)
3
If the input is 10 and the rule is 4x+1/2x; what is the output? (x= input)
45