Question

Add the following
a (-20) and (+30)
d (-7) and (-3)
Add the following
b (+10) and (-12)
e (-20) and (-30)​

Answer 1

Answer:

-10,-10,-2,-50

Step-by-step explanation:

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Answer 2

Answer:

heya mate ☺

$a) \: - 20 + 30 = 10 \\ \\ b) \: (- 7) + ( - 3) = - 7 - 3 = - 10 \\ \\ c) \: 10 + ( - 12) = 10 - 12 = - 2 \\ \\ d) \: ( - 20) + ( - 30) = - 20 - 30 = - 50$

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