SOLUTION: what are the steps for solving x+y=4

Question 97531: what are the steps for solving x+y=4
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
MAKE UP A TABLE WITH COLUMS LABELED X & Y.
SET X=0 & SOLVE FOR Y THUS:
0+Y=Y
Y=4 SO ENTER 0,4 IN THE TABLE.
SET X=1
1+Y=4
Y=4-1
Y=3 SO ENTER 1,3 IN THE TABLE
SET X=5
5+Y=4
Y=4-5
Y=-1 SO ENTER 5,-1 IN THE TABLE.
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