If DE=5x-9, EF=2x+10, and DF=78, find the value of x. Type the number only.
F
E
D
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Mathematics, 27.09.2020 06:01 zuberskylar
If DE=5x-9, EF=2x+10, and DF=78, find the value of x. Type the number only.
F
E
D
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Answers: 3
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