Hope this helps!
28 - 13 = 15
15 x 12 = 180 Fifth graders
2x-x-7=0
3x-7=0
add 7 to 7 and 0, so then we cross out 7-7, and then
3x=7, bc u change the subtraction to addition, sr if thst doesn't make sense but 3x=7 is the answer
I love blueberries so 10+y is not right answer
The answer is 6 that's how many places its away from zero.
The answer to your question is n is equal to 70
