Question

(b) Evaluate: 3+(-1) + 3 +(-1) + 3 + (-1) + 3.​

Answer 1

Answer:

Step-by-step explanation:

3+(-1) + 3 +(-1) + 3 + (-1) + 3

3-1+3-1+3-1+3

3+3+3+3-1-1-1

12-3

9

Answer 2

Step-by-step explanation:

3+(-1) + 3 +(-1) + 3 + (-1) +

= 3-1+3-1+3-1+3

= 2+2+2+3

= 4+5

= 9

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