9. select all equations that have one solution.

a. 2x + 2x + 2 = 4x+ 2

b. 3 (4x – 8) = 18<...

Mathematics, 02.12.2019 23:35 hahHcjckk

# 9. select all equations that have one solution.

a. 2x + 2x + 2 = 4x+ 2

b. 3 (4x – 8) = 18

c. x + x - (x + x) = 2x - x + 2

d. £«-x+

e.

-3(-x - 2) = 3(x - 2)

Answers: 2

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Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.

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