Hello! The question is in the picture and getting help would be greatly appreciated!

1. y=13

2. y= -6

Step-by-step explanation:

hello there!

in no.1 we should ignore the sign of 1st +

and do the further process

in no.2 we need to multiply sign (-) from each down digits.. and after that ..we can do the further process

hope it helps!

no

step-by-step explanation:

2-7=-5

7-2=5

when you combing like terms for ech expression, 5 and -5. these numbers are not equal to each other.