Answer:

Step-by-step explanation:
All we have to do is use the addition property of equality to isolate x.

8 + 6 + 9 + 12 + 4x / 5 = x Original Problem.
25 + 4x / 5 = x Addition.
25 + 4x = 5x Multiply each side by 5.
25 = x Subtract 4x from each side.
x = 25 Switch equation around.
Answer: x = 25
Answer:
4n - 13
Step-by-step explanation:
(5+10n)-(18+6n)
Distribute the negative sign.
-1(18)=(-18) & -1(6n)=(-6n)
5+10n + (-18) + (-6)n
Combine like terms.
10n + (-6n) = 4n
(-18) + 5 = (-13)
4n + (-13)
or
4n - 13
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Answer:
percent= 33.33% decimal= .33333333
Step-by-step explanation:
think of 3/3 as 100 and 1/3 as a part of that. divide 100 by 1/3