8n + 7 - n - 98 = 7n - 91
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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
n = -6
7 plus 7 divided by 7 plus 7 times 7 minus 7 is equal to 50.
-4n3 + 8n2 - 4n + 7