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den301095 [7]
3 years ago
11

The quotient of a number and 3 decreased by 121 is -164. Select the solution to the sentence shown.

Mathematics
1 answer:
docker41 [41]3 years ago
6 0
Its algebra. The original equation is \frac{x}{3} -121 = -164

To solve for a variable, we reverse the order of operations, beginning with addition/subtraction, and then multiplication/division. To remove a number from one side, we must do the opposite to the other side. In this case, to get rid of the -121 we must add 121 to the -164. This gives us -43. Then, to get the x by itself, we must multiply the other side by 3. -43*3=129

When we are doing the opposite of an operation to the other side, we are really reversing the operation and, to keep both sides equal, we must do whatever we have done to one side to the other side. So when we have -121, we add 121 as it equals 0, therefore it is gone. Since a equation must be balanced, we have to do what we did to the other side (adding 121).



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What is the x-value in the solution to this system of linear equations?
ASHA 777 [7]

Answer:

  4

Step-by-step explanation:

The y-variable can be eliminated by adding 3 times the first equation to the second:

  3(2x -y) +(x +3y) = 3(11) +(-5)

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Using Cramer's Rule, you can also find the x-value. The math is not so different.

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3 years ago
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What is the greatest number of rìght angles that a triangle can contain?
sergiy2304 [10]

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5 0
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Read 2 more answers
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horsena [70]

Answer:

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Step-by-step explanation:

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2. Subtract 44 from both sides.

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3. Simplify  21-4 to 17.

17=-5x

4. Divided both sides by -5.

-17/5=x

5. Switch sides.

x=-17/5

Hope this helps.

4 0
3 years ago
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Answer:

I think you mistyped the question

Step-by-step explanation:

I get 1.13

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