jessiegarrison1
08.06.2020 •
Mathematics
Simplify the following 2a + 3b + 4a – 7b
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Ответ:
You would take 2a and add 4a to it which will give you 6a. Then you will take -7b and add 3b to it. I usually just subtract when the bigger number is a negative. Once you do that though you will get -4b. Finally your answer will be 6a -7b
Ответ:
2a
We add 2 and 3 and we get 5 then we do 4-7=-3. Then we do 5-3=2 and we add a.(we only add all a’s when we multiply)
And the answer is 2a
Ответ:
1.2 x 10 ^(-5)