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Anonymous
(5a+8) - (2a+4) =3a +4
To do this, simply subtract like terms. 5a-2a=3a and 8-4=4
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2a-5
2a+5
It is the expression 3 + 2a.
3+2*A+B*4/2-4 = 3 + 2A + 2B - 4 = 2A + 2B - 1
3b -1