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EleoNora [17]
2 years ago
7

5-x=12 two step equations

Mathematics
2 answers:
Feliz [49]2 years ago
6 0

Answer: x = -7

5-x=12

-5. -5

-x=7

-x/-1=7/-1

x=-7

Hope this helps !

Lisa [10]2 years ago
3 0

Answer:

x=-7

Step-by-step explanation:

ur welcome

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Step-by-step explanation:

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Two possible solutions of √11-2x=√x^2+4x+4 are –7 and 1. Which statement is true? A) Only x = –7 is an extraneous solution.
11111nata11111 [884]

Answer:

Option D)Neither solution is extraneous.

Step-by-step explanation:

we have

\sqrt{11-2x}=\sqrt{x^{2}+4x+4}

we know that

two possible solutions are x=-7 and x=1

<u><em>Verify each solution</em></u>

Substitute each value of x in the expression above and interpret the results

1) For x=-7

\sqrt{11-2(-7)}=\sqrt{-7^{2}+4(-7)+4}

\sqrt{25}=\sqrt{25}

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therefore

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therefore

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7 0
3 years ago
Read 2 more answers
If y = -10 -x, find y when x = -2​
arlik [135]

Answer:

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Step-by-step explanation:

y = -10 - x

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y = -10 + 2

y = -8

8 0
2 years ago
Read 2 more answers
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