SOLUTION: 1. 4a+5[1-3(2a-1)]=2(2a+5)

Question 16553: 1. 4a+5[1-3(2a-1)]=2(2a+5)
Answer by smik(40) (Show Source): You can put this solution on YOUR website!
Hmm... nasty looking problem. First of all we should foil everything out.
So, 4a+5*(1-3*(2a-1)) gives us:

4a+5-30a+15, which simplified gives us:

20-26a

Now, let's foil the other side, 2(2a+5), gives us:

4a+10

So, we've got:

20-26a = 4a+10

Now we should isolate the variable. So we can add 26a to each side, and subtract 10 from each side, to get:

10=30a

Now we solve for a by dividing both sides by 30 to get:

a = 0.3
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