christingle2004
04.12.2020 •
Mathematics
Which equations have one solution?
A. x + 3 + 3x = -3 + 4x + 6
B. 1x/3 + 3 = 26 + 6x/18 - 23
C. 2(1/5 + 1x/4) -2x = x - 1
D. 3x + 2.5 - 2.2x + 2.2 - 2.1x = 0
E. 2(4x + 3) + 2x = 5(2x + 3)
F. 2x/5 + 10 + 3x/5 = 2x +5
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Ответ:
B.the disciminant is equal to 0, which means the equation has one real number solutions.
Step-by-step explanation:
I took the test
hope this helps