789 - x = 20
You have to isolate for x, meaning move the 789 to the right side (making it -789):
-x = 20 - 789
-x = -769
The issue is x is negative, so we would divide by -1 to make -x, positive. What we do on one side, we do to the other.
-x/-1 = -769/-1
x = 769
Therefore, x = 769
789 minus x is 20
idk if u subtract or add form which side
3 answers
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