Question

please do answer properly dont spam if u spam ill report you and ur answer ​

Answer 1

$\large\underline{\underline{\sf\maltese{Answer:-}}}$

12). -20+13

= -7answer.

13). -7-9+4+16

= -7-19

= -26 answer.

Answer 2

Answer:

12)= -7

13)= 4

Step-by-step explanation:

(-20(-(-13) = -20+13 = -7

(-7)+(-9)+4+16 = -7-9 4+16 = -16+20 = 4

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