Question

x+5=7
Ok what could I do Farter to Isolate the variable?

1. Add 5 to both sides

2.Subtract 7 from both sides

3.Subtract 5 from both sides

Answer 1

I Know it cant be 2.
Because then it would turn the 5 in to a negative so it must be
3 Right?

Answer 2

If I wanted to "undo" the adding of the five on the left... I would subtract the 5 from each side.

Yes, 3 is right.

Answer 3

x+5=7
-5 -5
--------
x=2

Right?

Answer 4

Yes. Good job.

Answer 5

(:

Answer 6

3 is the correct option