Question

(2
2) simplify the following expression:-
(220-140) + (10x9+ (-2x5) =100​

Answer 1

Step-by-step explanation:

80+(90+(-10))-100

80+(90-10)-100

80+80-100

160-100 =60

Answer 2

Solution :-

$\big((220 - 140) + (10 \times 9 + ( - 2 \times 5)) \big) - 100 \\ \\ = \big(80 + (90 - 10) \big) - 100 \\ \\ = (80 + 80) - 100 \\ \\ = 160 - 100 \\ \\ = \boxed{60}$