3a+6b are two terms of an expression
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6b+5a-4b+3a= ? Rearrange it as 5a+3a+6b-4b = 8a+2b
12a + 6b + 9a + 14b =(12a + 9a) + (6b + 14b) =21a + 20b
6b+b+b is the same as 6b+1b+1b you can add the numbers together if the variables are the same. 6b+1b+1b=8b
a + 3a - 2 + 3a. Add the a + 3a + 3a = 7a. You can't combine the -2 & 7a so the solution is: 7a - 2.
3a+5b+7a=