Question

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

Answer 1

Question:

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

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