Assuming you mean
(2a)/3 = 8+4a
multiplying both sides by 3 to remove the fraction gives
2a = 24 + 12a
subtracting 12a from both sides gives
-10a = 24
Dividing both sides by (-10) gives the answer.
a = (-2.4)
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a=5
That factors to (2a - 7)(2a + 9)
8b -2a
Not sure why it is 3a2- if you mean 3*a*2, then: 3*a*2=6a (6a-2a)+5-2(a (or a2)+a)=1 4a+5-(2a+a)=1 4a+5-2a-a=1 Then take the 5 over (remember, the +5 become -5 when transposed): 4a-2a-a=1-5 Solving the equations on both sides gives: a=-4 Is this your answer?
2a/3=8+4a2a=3(8+4a) 2a=24+12a -10a=24 a=-24/10 a=-12/5