Walter buys a bus pass for $30. Every time he rides the bus, money it's a ducted from the value of the pass. He rode 12 times in
2 answers:
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Answer:
a= 2x <u><em>(edit: i just forgot it should be a integer x.x, forgive my blondiness)</em></u>
Step-by-step explanation:
usually when doing equations like that, you can separate one of the parenthesis with 0
(in this case, we will use (2x-a) )
Then create a equation, which should look like:
2x-a=0
Then solve for a