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Which of the following equations has exactly one solution? A. 5a + 4 = 9a + 3 – 4a B. 3 + 5x – 12x = 2 – 7x С. 9.2n + 3.1 = 5.2n – 4.9 D. 11 – 4s = -1/2(8s) + 1/2(22)
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Which of the following equations has exactly one solution?

A. 5a + 4 = 9a + 3 – 4a
B. 3 + 5x – 12x = 2 – 7x
С. 9.2n + 3.1 = 5.2n – 4.9
D. 11 – 4s = -1/2(8s) + 1/2(22)

User Jyubin Patel
by
7.0k points

1 Answer

0 votes

Answer:

A

Explanation:

5a+4=9a+3-4a

5a-9a+4a=3-4

a=-1

User Rahul Bhobe
by
7.9k points
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