Simplify the expression 9+1/2(7n-26)-8.2

-122/10 -35/10n

Step-by-step explanation:

P E M/D A/S

1) Solve anything in ()s first. Since nothing can be solved in ()s, move onto step 2.

2) Exponents. Since none of the numbers have exponents, move onto step 3.

3) Multiply/Divide:

       1

9 + (7n-26) -8.2

      2

= 9 + 7/2n - 13 -8.2

4) Add/Subtract:

9 + 3 1/2n -13 - 8.2

= -4 + 3 1/2 -8.2

*Convert -8.2 to a fraction, then get the denominators to match:

-8 2/10 = -82/10

7/2n = 35/10n

-4 = -40/10

*Now, you can add theses numbers together to get the final

-40/10 + 35/10n -82/10

= -122/10 -35/10n

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step-by-step explanation:

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