Question

Add: 3 + 5 − 4 and 2 − 5 − 4.​

Answer 1

Answer:

3+5-4=4

2-5-4=-7

4+-7=-3

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Step-by-step explanation:

Answer 2

(3+5-4)+(2-5-4)
(8-4)+(2-9)
4+(-7)
4-7
-3