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Alex17521 [72]
2 years ago
6

8x=12+12Find the value of x​.​

Mathematics
2 answers:
MakcuM [25]2 years ago
6 0

Answer:

<h2>x = 23</h2>

Step-by-step explanation:

<h3>= > 8x = 12 + 12</h3><h3>= > 8x = 24</h3><h3>= > x = 24/8</h3><h3>= > x = 3...ans </h3>

<h2>HOPE IT HELPS YOU!! </h2>
djverab [1.8K]2 years ago
5 0

Answer:

\sf\longmapsto \: x = 3

Step-by-step explanation:

\sf\longmapsto \: 8x = 24

\sf\longmapsto \: x =  \frac{24}{8}

\sf\longmapsto \: x = 3

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7 0
4 years ago
Using Cramer's rule to solve linear systems.
Rzqust [24]

Answer: Last Option

x=2,\ y=-5

Step-by-step explanation:

Cramer's rule says that given a system of equations of two variables x and y then:

x =\frac{Det(A_X)}{Det(A)}

y =\frac{Det(A_Y)}{Det(A)}

For this problem we know that:

Det(A) = |A|=\left|\begin{array}{ccc}4&-6\\8&-2\\\end{array}\right|

Solving we have:

|A|= 4*(-2) -(-6)*8\\\\|A|=40

Det(A_X) = |A_X|=\left|\begin{array}{ccc}38&-6\\26&-2\\\end{array}\right|

Solving we have:

|A_X|=38*(-2) - (-6)*26\\\\|A_X|=80

Det(A_Y) = |A_Y|=\left|\begin{array}{ccc}4&38\\8&26\\\end{array}\right|

Solving we have:

|A_Y|=4*(26) - (38)*8\\\\|A_Y|=-200

Finally

x =\frac{|A_X|}{|A|} = \frac{80}{40}\\\\x=2

y =\frac{|A_Y|}{|A|} = \frac{-200}{40}\\\\y=-5

4 0
3 years ago
Find the distance between -10.5 and 7 on a number line (geometry)
SashulF [63]

Answer:

17.5

Step-by-step explanation:

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6 0
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laila [671]
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Answer:

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Hope this makes sense to ya :)

4 0
3 years ago
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