Answer:
Subtract 6.4 from each side of the equation is your answer!
Explanation:
Subtract 6.4 from each side of the equation.
3.5 n + 6.4 = 42.5
-6.4 = -6.4
3.5 n = 36.1
3.5n/3.5n= 36.1/3.5n
n=10.3142857
Hope it helps!!!!
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