28 = -4(d − 79) + 100 I know how to do these, but I just don't want to risk my IXL percent going down... Thanks! (solve for d)

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asked Dec 12, 2020 89.2k views

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28 = -4(d − 79) + 100 I know how to do these, but I just don't want to risk my IXL percent going down... Thanks! (solve for d)

Mathematics
middle-school

Evita asked

by Evita

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2 Answers

6 votes

Answer:

Explanation:

28=-4 (d-79)+100

28=-4d+316+100

4d=316+100-28

4d=388 (divide both side by 4)

d=97

Log N answered Dec 14, 2020

by Log N

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3 votes

Answer:

D=97

Explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

Eem Jee answered Dec 16, 2020

by Eem Jee

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