2 answers:
Answer:
-380
Step-by-step explanation:
7-9(8+5f) with f = 7
substitute the variable with the number
7-9(8+5 x 7)
do the parenthesis first using P.E.M.D.A.S.
7-9(8+35)
7-9(43)
7 - 9 x 43
7 - 387
<em><u>-380</u></em>
Answer:
-380
Step-by-step explanation:
7 - 9(8 + 5f)
7 - 9(8 + 5(7))
7 - 9(8 + 35)
7 - 9(43)
7 - 387
-380
Best of Luck!
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