Question

(3/4+-2/5)+-7/10=3/4+(-2/5+-7/10) verify the following​

Answer 1

Answer:

-7/20=-7/20

Step-by-step explanation:

l hope it's helpful for you

Answer 2

Answer:

(3/4-2/5)-7/10

15-8/20-7/10

7/20-7/10

7-14/20

-7/20

3/4+(-2/5-7/10)

3/4+(-4-7/10

3/4+(-11/10)

30-44/40

-14/40

-7/20 hence proved