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-Dominant- [34]
3 years ago
12

Need help solving. Prefer you show each step in solving.

Mathematics
1 answer:
Monica [59]3 years ago
6 0

Answer:

<h2>x = 6</h2>

Step-by-step explanation:

We have the equation:

2+(2x-6)=x+2

Solve it

2+2x-6=x+2\\\\2x+(2-6)=x+2

2x-4=x+2             <em>add 4 to both sides</em>

<em />2x-4+4=x+2+4<em />

<em />2x=x+6<em>       subtract x from both sides</em>

2x-x=x-x+6\\\\x=6

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Solve the following....<br> <img src="https://tex.z-dn.net/?f=5x%2B3y%3D7%5C%5C3x-5y%3D-23" id="TexFormula1" title="5x+3y=7\\3x-
AlekseyPX

\qquad\qquad\huge\underline{{\sf Answer}}

let's solve ~

The given equations are :

\qquad \tt \dashrightarrow \:5x + 3y = 7 \:  \:  \:   \:  \:  \:  \:  \:  \:  \:  \: \:  - (1)

and

\qquad \tt \dashrightarrow \:3x - 5y = -  23 \:    \:  \:  \:  \: \:  - (2)

Now, let's multiply equation (1) by 5 and equation (2) by 3 ~

we will get the results as :

\qquad \tt \dashrightarrow \:25x + 15y = 35 \:  \:  \:  \:  - (3)

\qquad \tt \dashrightarrow \:9x - 15y  = - 69 \:  \:  \:  - (4)

Now, add equation (3) and (4) :

\qquad \tt \dashrightarrow \:25x + \cancel{ 15y} + 9x -  \cancel{15y }= 35 + ( - 69)

\qquad \tt \dashrightarrow \:34x =  - 34

\qquad \tt \dashrightarrow \:x =  - 1

Now, since we got the value of x, let's evaluate y~ by using equation (1) :

\qquad \tt \dashrightarrow \:5x + 3y = 7

\qquad \tt \dashrightarrow \:5( - 1)+ 3y = 7

\qquad \tt \dashrightarrow \:3y - 5 = 7

\qquad \tt \dashrightarrow \:3y = 12

\qquad \tt \dashrightarrow \:y = 4

Hence, value of y is 4

I hope you understood the whole procedure ~

8 0
2 years ago
Read 2 more answers
What is the midpoint of this line?<br><br>Which is the right answer?​
Dahasolnce [82]

Answer:

the answer you have is correct

4 0
3 years ago
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A food tray has a perimeter of 86 cm. The length of the tray is 5 cm less than triple the width. What is the length, in cm, of t
klasskru [66]

Answer:

253cm

Step-by-step explanation:

(86cm*3)-5cm

= 258cm - 5cm

= 253cm

4 0
3 years ago
A circular sector has a central angle of 22.5° and a radius of 4 ft.
Taya2010 [7]

Answer:

1.6

Step-by-step explanation:

I used an arc length calculator

4 0
2 years ago
this is not really a question more like an appreciation type thing for some of the people that have helped me, A LOT. ok so the
KIM [24]

Answer:

blue

Step-by-step explanation:

because there are about a thousand different shades of blue

3 0
3 years ago
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