The answers are; a= 7
b= -4
but I don't know how, so I'll need a proper step by step working!
(And its a request, please don't give invalid answers like, 'idk, sorry, bad at math' etc :(

a=7

Step-by-step explanation:

bc I did it

location: point 0

step-by-step explanation:

well, -8 to 10 on a number line is 18 spaces.

1/9 of 18 is 2.

so, 4/9 of 18 must be 8.

8 spaces from -8 (a) is 0.

so, 4/9 of the way from -8 to 10 is 0!

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step-by-step explanation: