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Maru [420]
3 years ago
8

Can someone solve -3 = x + 7 - 4?

Mathematics
2 answers:
allochka39001 [22]3 years ago
8 0

Answer:

-3=x+7-4

-3-7+4=x

x=-6

8v-3+3v=8

8v+3v=8+3

11v=11

V=1

-v+3v=4

2v=4

V=2

Step-by-step explanation:

Blababa [14]3 years ago
3 0

Answer:

x= -6

v= 1

v= 2

Step-by-step explanation:

-3= x+7-4, combine like terms by subtracting seven from four

-3= x+3, subtract three from both sides

-6= x

8v-3+3v= 8, combine like terms by adding 8v and 3v

11v-3= 8, add three to both sides

11v= 11, divide both sides by 11

v=1

-v+3v=4, combine like terms by adding -v and -3v

2v= 4, divide both sides by 2

v= 2

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Step-by-step explanation:

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3 years ago
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Artyom0805 [142]
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========================================================

Explanation:

You'll need to use a T table to answer this question. Your stats textbook should have such a table in the back appendix section.

If your textbook doesn't have the proper table, or you don't have your textbook with you, then I recommend searching online for "t table" and you should have tons of free options to choose from.

In the table you'll look for the degrees of freedom row 6, since the degrees of freedom are equal to n-1. In this case, n = 7.

In this row, locate the column labeled  "alpha = 0.005" and you'll be looking at "one tail". The value in this row and column is roughly 3.707

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4 0
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Answer:

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4 0
4 years ago
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