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Paraphin [41]
3 years ago
11

7x-9+3x=2x+18-x submit i want an answer please

Mathematics
2 answers:
oksano4ka [1.4K]3 years ago
6 0

Answer:

x = 3

Step-by-step explanation:

7x - 9 + 3x = 2x + 18 - x

10x - 9 = x + 18

10x - x = 18 + 9

9x = 27

x = 3

meriva3 years ago
5 0
X is equal to 3 cdjjsjajakaa
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How can I solve this equation 5x^2-2x-6=-2x^2+9x
wel
Add 2x^2 to both sides
7x^2-2x-6=9x

Subtract 9x from both sides
7x^2-11x-6=0

Factor by using slip and slide
x^2-11x-42
(x-14)(x+3)
(x-14/7)(x+3/7)
(x-2)(7x+3)

Then use the Zero Product Property to find roots
x-2=0
x=2

7x+3=0
7x=-3
x=-3/7

Final answer: x=-3/7, x=2
3 0
3 years ago
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Dmitry_Shevchenko [17]
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3 0
3 years ago
Read 2 more answers
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Answer:

Step-by-step explanation:

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5 0
2 years ago
Ugh I need help I haven’t been doing my work
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Answer:

You should do your homework.

Step-by-step explanation: It's not good if you don't do it.

6 0
2 years ago
Look at the two equations:
Dvinal [7]

Answer:

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