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elena-14-01-66 [18.8K]
2 years ago
7

How do I solve this inequality?(I'll give brainliest if you answer with the steps and answer!)​

Mathematics
2 answers:
bogdanovich [222]2 years ago
8 0

Answer:

-8>x

Step-by-step explanation:

-26>2x-10

First we add 10 to both sides:

-26+10>2x-10+10

Simplify:

-16>2x

Divide both sides by 2:

-16÷2>2x÷2

Simplify:

-8>x

This is correct as -7 is the largest whole number that would go against this inequality since:

-26>2(-7)-10

-26>-14-10

-26>-24 ❌

But anything less than -8 will work since:

-26>2(-8)-10

-26>-16-10

-26>-26 ❌ since they are equal.

djverab [1.8K]2 years ago
7 0

-8>xStep-by-step explanation:-26>2x-10First we add 10 to both sides:-26+10>2x-10+10Simplify:-16>2xDivide both sides by 2:-16÷2>2x÷2Simplify:-8>xThis is correct as -7 is the largest whole number that would go against this inequality since:-26>2(-7)-10-26>-14-10-26>-24 ❌But anything less than -8 will work since:-26>2(-8)-10-26>-16-10-26>-26 ❌ since they are equal.

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Solve the 3x3 system shown below. Enter the values of x, y, and z.
slamgirl [31]

Answer:

x = 1

y = -1

z = 2

Step-by-step explanation:

You have the following system of equations:

x+2y-z=-3\ \ \ \ \ (1)\\\\2x-y+z=5\ \ \ \ \ \ (2)\\\\x-y+z=4\ \ \ \ \ (3)

First, you can subtract euqation (3) to equation (1):

x + 2y - z = -3

<u>-x +y  -z = - 4 </u>

0   3y  -2z = -7    (4)

Next, you can multiply equation (3) by 2 and subtract it to equation (2):

2[ x -y + z = 4]

<u> -2x +y -z = -5</u>

  0 -y + z= 3     (5)

You multiply equation (5) by 2 and sum (5) with (4):

2[ -y  + z = 3]

<u>    3y  -2z= -7</u>

  y  + 0 = -1

Then y = -1

Next, you replace y=-1 in (5) to obtain z:

-(-1) + z = 3

z = 2

Finally, you can replace z and y in the equation (3) to obtain x:

x - (-1) + (2) = 4

x = 1

7 0
3 years ago
Whoever answers gets brainlist!
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Answer:

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Step-by-step explanation:

4 0
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Answer:

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Step-by-step explanation:

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Anna71 [15]

Answer:

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Step-by-step explanation:

The slope of a line given two points can be found by using the formula

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From the question we have

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Step-by-step explanation:

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