02/15/13
what's wrong with my answer, seems backwards
-4(a+3)-a
-4(a+3)-1a
-4(a+3) + -1a
3*4 + -4a + -1a
-12 + -4a + -1a
-12 + -5a
Answer should be -5 - 12
02/14/13
In order of operation, does combining like terms always come after reordering?
I understand that you work from left to right
I understand that first you solve what is inside ( ) then inside brackets and I understand that fractions are considered as symbols and they come...
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