How many solutions are there to the equation below? -46=3x+7x A. Infinitely many B. 1 C. 2?

👨🏻‍🏫 學術台數學

2016-06-30 4:51 pm

回答 (5)

2016-06-30 4:54 pm

✔ 最佳答案

-46 = 3x + 7x
-46 = 10x
10x = -46
x = -4.6

There is one solution.

...... The answer is : B. 1

👍 2 👎 0

2016-06-30 4:57 pm

one
-46 = 10 x can have only one solution

👍 1 👎 0

2016-06-30 4:55 pm

-46=3x+7x
-46=10x
-46/10 = x

There is one solution.

👍 1 👎 0

2016-07-17 10:36 am

B______1

👍 0 👎 0

2016-06-30 5:00 pm

Thank you !!!!

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