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Q: What is 3n-9 plus 4n equals 8n?

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8n-2+4n = 66-5n 8n+4n+5n = 66+2 17n = 68 n = 4

n=10/7. i did this one mentally. but are you sure its 8n minus negative 4n or is it 8n minus 4n? 8n- -4n does not equal 8n-4n 8n- -4n is the same as 8n+4n

It is an expression that can be simplified to -4n-1

5m-12n

3 + 8n = -58n = -8n = -1

8n + 11 = 41

4n x 2 = 8n

n=3

yes because the + and the - are two terms. hope this helps :3

24n

n=77

n = 1/2

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