book
Maths Puzzle
Numerical Ability
5x+4=-11
Read Solution (Total 0)
book Other Question
I am helping in after school tutoring and I want to be sure I am correct-
when you do an equation such as : 5z squared + 9z squared = 504
what do you do with the exponents?
what is 7+7x7-7divided by 7?(thank you for your help)