Order of Operations
Does this look familiar? If you have done order of operations before, it may. Order of operations is used to solve probolems like this: 1+ (3x4) -7 x (2-1) =
OK, this is really easy, if you know what to do.
do 3x4 then 2-1
now, add 1 to the answer of 3x4
next subtract 7x the answer from 2-1 from the answer from #2
Finally, if you got 6, your finished, if you didn't, find your mistake : )