Question

240 What should be added twice the national number -4/5 to get 5/10?​

Answer 1

Answer:

Let x should be added

2x + -4/5 = 5/10

2x = 1/2 + 4/5

2x = 5+8/10

2x = 13/10

x = 13/10 × 1/2

x = 13/20

Answer 2

Answer:

x=13/20

Step-by-step explanation:

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