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We solve the multiplication first so 5 * 4 = 20, giving us

20 % 3 - 2 + 1

We then solve the modulo, 20 % 3 = 2, giving us

2 - 2 + 1

We then simple solve the equation left to right with the remaining addition/subtraction, giving us 1. The comment above demonstrates the correct order of operations as I don’t think the order given in the module is quite accurate.

ice_01 the compiler gives priority for addition and subtraction left to right. The instruction in the Codecademy exercise leads you to believe that addiction comes first. But, either addition or subtraction could come first depending on their placement from left to right. SO, in this case, 2-2 = 0, and then 0+1 = 1.

Needless to say, someone should update the order of operations presented in this lesson.
When an expression contains both Addition and Subtraction, the one on the left is computed first.
Likewise, if an expression contains both Multiplication and Division, the one that appears on the left is computed first.

It said in an earlier lesson that when we print VARIABLES with System.out.println(), we do not use the double quotes “”. So why is it that when we’re printing the answer to these equations(-6, 1, and 3), they are put between double quotes? The correct answer looks like System.out.println("-6");
I thought they were an answer to a variable equation.
I’m confused now when to use double quotes when using System.out.println()

First priority here multiplication so 54 = 20
Then 20%3-2+1
now priority is modulo so 20%3 that is remainder 36+2 that is 2
Then 2-2+1
Which is 1
Hope it cleared your doubt

Hi,
The modulo operator represents the remainder after one number is divided by another number. 5 % 2 would equal 1, as 2 can go into 5 twice and have a remainder of 1. So it would be 1 - 7 = -6.

I came here with the purpose of posting the right order but I found your post, so thanks, it was confusing because in the lesson it shows the order as follows:
Modulo/Multiplication/Division
but it’s actually like this:
Multiplication/Division/Modulo
once you change the order you get the result.

Indeed someone should update the lesson to show the right order as in the Cheat Sheet:
Order of Operations

The order in which an expression with multiple operators is evaluated is determined by the order of operations: parentheses → multiplication → division → modulo → addition → subtraction.