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iren [92.7K]
3 years ago
7

Instructions: Drag each tile to the correct location on the algebraic problem. Not all tiles will be used.

Mathematics
2 answers:
jolli1 [7]3 years ago
6 0
The steps involving properties of equality are shown in painful detail.

For Step 4, you add 7 to both sides of the equation (with the goal of cancelling the -7 on the left). So you have
  6x -7 +7 = 12 +7 . . . . . . . showing 7 added to both sides

In the next step, this is simplified to the way you might have written it to start with:
  6x = 19

There should be no confusion in any of this. All solutions of all equations make use of the properties of equality like this. Addition is used to cancel subtraction, division is used to cancel multiplication. (Root-taking cancels powers, and vice-versa; inverse trig functions cancel trig functions; and so on.)

likoan [24]3 years ago
5 0
4x - 7 = -2x + 12                         //GIven

4x - 7 + 2x = -2x + 12 + 2x         //Addition property of equality

6x - 7 = 12                                //Simplification

6x - 7 + 7 = 12 + 7                    //Addition property of equality

6x = 19                                     //Simplification

6x/6 = 19/6                               //Division property of equality

x =  19/6                                  //Simplification 
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Please give me the correct answer.Ony answer if you're very good at math.Take your time when answering.​
Umnica [9.8K]

Answer:

y=20x

Step-by-step explanation:

Since y represents the total cost y is the total. 20x because it is 20 dollars an hour and x after 20 because we do not know how many hours they will plan for lessons.

8 0
3 years ago
17c-10=4 ............................
Katarina [22]

Answer:

1.214 or 1\frac{3}{14} or \frac{17}{14}

Step-by-step explanation:

To solve this equation, first you need to the variable term isolated. You do this by adding 10 to each side. Your equation will now look like

17c = 14

Next, you will divide both sides by the 17.

Your equation now is solved, and above, I put ther three different forms for your answer: decimal, mixed number, and improper fraction.

~theLocoCoco

7 0
3 years ago
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Oliga [24]

Answer:

irrational number

Step-by-step explanation:

It is a non-recurring continuous decimal number

7 0
3 years ago
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I’m having a crisis so please help 7x-19<16
vampirchik [111]

Answer:

5 i believe correct me if im wrong

Step-by-step explanation:

To work this problem out you would do it as if it were just a simple equation

7x-19<16 (you would first have to add 19 to both sides)

7x<35 (then you would divide by 7 to get the variable by itself)

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The size of the lengths and angles aren't effected by arotation. The image and pre image will be congruent, just in different places

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