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Zielflug [23.3K]
3 years ago
6

What is 9-x/5=3? I kept getting 6 but the only option is -6 :/

Mathematics
2 answers:
daser333 [38]3 years ago
8 0

Answer:

Yeah the answer is -6

Step-by-step explanation:

9-x/ 5= 3

9-x = 15 (5 times three)

-x = 6 (9-6)

x= -6 ( a variable can never Be negative, but we have to give the minus to 6)

I hope this helps!

borishaifa [10]3 years ago
3 0

Step-by-step explanation:

9 -  \frac{x}{5}  = 3 \\ 9 - 5 \times  \frac{x}{5}  = 3 \times 5 \\ 9 - x = 15 \\  - 9 - x =  - 9 + 15 \\  - x = 6 \\  - x \div  - 1 = 6 \div  - 1 \\ x =  - 6

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In mathematical notation, ∑ means summation. So wherever you see the symbol, you have to sum over all elements in the set. Let's solve the question.

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