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8090 [49]
3 years ago
11

Which of the following equations could be used to solve the given equation?

Mathematics
2 answers:
Pepsi [2]3 years ago
8 0
If we simplify like terms on left and right sides we gwt

16x + 9 =  4x

Its B
dmitriy555 [2]3 years ago
5 0

Answer:  The correct option is (B) 16x+9=4x.

Step-by-step explanation:  We are given to select the correct equation that could be used to solve the following equation :

9x+26+7x-17=2x+(-3x)+5x~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)

To find the correct equation, we need to simplify the given equation (i).

From equation (i), we get

9x+26+7x-17=2x+(-3x)+5x\\\\\Rightarrow (9+7)x+(26-17)=2x-3x+5x\\\\\Rightarrow 16x+9=(2-3+5)x\\\\\Rightarrow 16x+9=4x.

Thus, the required equation is 16x+9=4x.

Option (B) is CORRECT.

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vovikov84 [41]

Answer:

x = (+ - ) 9

Step-by-step explanation:

x^2 = 81

u know how u can sometimes cancel something out by doing the opposite.

This is one of those times as well. the opposite of ^2 = square root.

so if we take the square root of both sides, this will cancel out the^2 on the left side.

sqrt (x^2) = sqrt(81)

x = (+-) 9.....thats a positive and a negative sign...because the sqrt of 81 is both 9 and -9.

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3 years ago
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Masja [62]

Answer:

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Step-by-step explanation:

use Pythagoras theorem,

{a}^{2}  +  {b}^{2}  =  {c}^{2}

{6}^{2}  +  {8}^{2}  =  {c}^{2} \\ 36 + 64 =  {c}^{2}  \\ c = \sqrt{100 }   \\ c = 10

6 0
2 years ago
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irakobra [83]

Answer:1

Step-by-step explanation:

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3 years ago
What is the value of k in the equation 4\3 (k+4\7)=3 1\3?
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