Question

2 Simplify.
(a) 3 - 5 + 6 - 7
(b) 15 - 20 + 5 - 8

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Answer 1

$\huge {\underline {\purple {Answer}}}$

(a) 3 - 5 + 6 - 7

= 9 - 12

= - 3

(b) 15 - 20 + 5 - 8

= 20 - 28

= - 8

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Answer 2

Answer:

dmas rule

a)3-5+6-7

3-11-7

8-7

1

b)15-20+5-8

15-25-8

10-8

2