if 9m+57=87 then 9(m+6)=?

Answer 1

9m+57=87 then 9(m+6)=?

9m = 30

m = 3.33333

Substitute 3.3333 for m

Answer 2

That's what I had but it says the answer is 84

Answer 3

9(3.33333 + 6) =

9 * 9.33333 = 83.999999 = 84

Answer 4

Remember PEMDAS Do the calculations within the parentheses first.

https://www.mathsisfun.com/operation-order-pemdas.html

Answer 5

Thank you

Answer 6

You're welcome.