Question

Find value of 'a' by using negative integers only:

1) a+7=0
2)9+a=0
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Answer 1

Answer:

Step-by-step explanation:

a+7=0 so a =-7

9+a=0

so a =-9

ANSWERED BY GAUTHMATH

Answer 2

Answer:

1 a= -7

2a=(-9)

Step-by-step explanation:

a+7=0

-7+7=0

9+a=0

9+(-9)=0

9-9=0