6a - 5 - 4-2a + 7=8a -16
First you add 6a+ 2a= 8a
Then You add -5 + -4 + -7+-16
You add the same varables together and there numbers.
Like the 2a and the 8a are to be added because they have the same varaibles.
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1 comment:
it should be 6a - 2a
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