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zvonat [6]
3 years ago
14

What is 12x+8-7x-10 simplified

Mathematics
1 answer:
Vlad [161]3 years ago
6 0
5* x -2 should be right but I’m not sure
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What’s the x value of the equation 30= 5x
Crank

Answer:

x=6

Step-by-step explanation:

you dived the 5 to get x by itself and 5 dived by 30 is 6

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Rule: add 15, subtract 10 first term 4
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4, 19, 9, 24, 14, 29, 19 and so on

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Kim is 4 years older than one third the age of her sister. Kim is at least 9 years old. How old could her sister be?
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4 years ago
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Can anyone help me i was not a school and I need help
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3 0
3 years ago
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HELP! 2 problems!
Anit [1.1K]

Answer:

 x=4   (solution)                             x=-14             (extraneous solution )

Step-by-step explanation:

|x+5|=9 -------original equation

Equation can be equal to +9   and -9

x+5 =9                           x+5 =-9

x= 9-5                            x=-9-5

 x=4   (solution)                             x=-14             (extraneous solution )

                                       

for checking  

x+5 = 9                                            x + 5=9

4+5= 9                                             -14+5=9

9=9                                                    -9=-9                                

8 0
3 years ago
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