#1**+1 **

It's 2. You use order of operations for this one.

Multiplication comes before Addition and Subtraction.

7-3*2+1

7-6+1

1+1

=2

Neptune
Apr 3, 2017

#2**0 **

Yes exactly I mean that, "order of operations". (+) is must before (-) right? 1 (*), 2 (+), 3 (-). First 3*2, next 6+1, then 7-7.

Guest Apr 3, 2017

#3**+2 **

Okay so if the problem has multiplication you do that first.

Your problem is 7-3*2+1=2

so 3*2=6 and then you will have 7-6+1=2, then you subtract 7 from 6 and get 1, and finally add 1 + 1 and you get the answer 2.

Terriann
Apr 3, 2017

#4**+1 **

(7) + (-6) + (1)

or

7 - (6 - 1)

or

7 + 1 - 6

You neglected the negative sign by making it 7-7. You're not adding 1 to 6, you're supposed to add 1 to -6.

For addition/subraction, there is no order since you're doing the exact same thing. 1 + 1 can be said as 1 - (-1). Both will be 2. Same goes with multiplication and division. Doesn't matter which of the two goes first, as long as multiplication/division goes before addition/subtraction.

Guest Apr 3, 2017

edited by
Guest
Apr 3, 2017

edited by Guest Apr 3, 2017

edited by Guest Apr 3, 2017