Answer:
y= 2.9
Explanation:
When finding the missing value, we have to apply the inverse operation. Since this problem is addition, we will use subtraction:
1.9+y=4.8
- -
1.9 1.9
We want y by itself, and since we subtracted 1.9 and 1.9, y is now by itself. We still have to subtract 4.8-1.9 to get the value of y:
4.8
-
1.9
----
2.9
y=2.9
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