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

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

I don't know how to solve this and the answer isn't 4 or 0 so what is it?4=-4+a​-example-1
User AMadinger
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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.
User Kumar Reddy
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