Answer:
The exact same as subtracting.
Example
5 + (-2) = 3
7y=-22-4x then it’s y=(-22/7)-(4/7)
Answer=2/3
720/1080=72/108=8/12=2/3
720/1080=2/3
Start with

Divide both sides by -3

If the absolute value of a number is 4, that number can either be 4 or -4: we have the two solutions

