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Mathematics
31 May, 09:02
7a + (4+5a) = 12a+4
use properties and justify each step
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Casey Rivers
31 May, 09:09
0
7a + (4+5a) = 12a+4
The first step to this is to simplify both sides of the equation.
You have to combine all of the like terms first ...
(7x + 5x) + (4) = 12x + 4
12x + 4 = 12x + 4
Now the second step is to subtract 12x from both sides ...
12x + 4 = 12x + 4
-12x - 12x
4 = 4
Now you will subtract four from both sides and get ...
0=0
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