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Rudik [331]
2 years ago
12

5a+c=-8a, solve for a

Mathematics
2 answers:
Alex2 years ago
8 0
C=-8a-5a
C=-3a
C/3=-3a/3
a=C/3
VMariaS [17]2 years ago
6 0

Answer:

a=-1/13c

Step-by-step explanation:

5a+8a=-c

13a=-c

a=-1/13c

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Solve the equation for x. the square root of the quantity x plus 4 end quantity minus 7 equals 1
HACTEHA [7]

Answer:

<h2>x = 60</h2>

Step-by-step explanation:

I hope it helps :)

\sqrt{x+4} -7=1\\\mathrm{Add\:}7\mathrm{\:to\:both\:sides}\\\sqrt{x+4}-7+7=1+7\\\sqrt{x+4}=8\\\mathrm{Square\:both\:sides}\\\left(\sqrt{x+4}\right)^2=8^2\\x+4=64\\x = 64-4\\x = 60

3 0
2 years ago
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Margarita [4]

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5 0
3 years ago
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gavmur [86]

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Step-by-step explanation:

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Good luck :)

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