Question

Verify the following

1. (3/4+-2/5)+-7/10=3/4+(-2/5+-7/10

Answer 1

(15-8/20) + (-7/10) = 3/4 + (-4-7/10)
7/20 + (-7/10) = 3/4 + (-11/10)
7-14/20 = 15-22/20
-7/20 = -7/20
LHS = RHS
verified



hope it helps you

Answer 2

Answer:

(15-8/20) + (-7/10) = 3/4 + (-4-7/10)

7/20 + (-7/10) = 3/4 + (-11/10)

7-14/20 = 15-22/20

-7/20 = -7/20

LHS = RHS

verified