SOLUTION: What number must you add to 128 and subtract from 256 so that the answers to both examples are equal?
Algebra.Com
Question 170830: What number must you add to 128 and subtract from 256 so that the answers to both examples are equal?
Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!
lets call the number x
:
128+x=256-x
:
2x=128
:
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