Dablubluberri Dablubluberri

03-12-2019
Mathematics

contestada

I don't know how to solve this and the answer isn't 4 or 0 so what is it?4=-4+a

I dont know how to solve this and the answer isnt 4 or 0 so what is it44a class=

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lisa6357 lisa6357

03-12-2019

The answer is 8. This is because when you substitute 8 with “a” you then solve the problem to see if it is equal to the answer. -4+8=4... -4+4=0 so that is wrong and -4+O=-4 which is also incorrect.

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help me please ASAP!