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ankoles [38]
3 years ago
7

How many solutions does the following equation have? x + 5 = x + 7

Mathematics
2 answers:
mojhsa [17]3 years ago
8 0
You can not have any solutions to this question seeing as at any point x +7 will always be 2 higher
Oksi-84 [34.3K]3 years ago
4 0
No solutions

Explanation: Any number you use, the equation of x + 7 will always be 2 more than x + 5
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Solve by substitution. Show each step of your work.<br><br> 2x + y = 7<br><br> 3x + 5y = 14
Monica [59]
Alright...simple...showing all steps.. ;)

You have the equations...

2x+y=7
and
3x+5y=14

To be able to even solve for any of the variables...multiply the equations by...2...and..3...

2x+y=7----*3--> 6x+3y=21
and
3x+5y=14-----*2--->6x+10y=28

Thus,

6x+3y=21
-
6x+10y=28

=========

-7y=-7

y=1

Now, plug y back into any of the original equations....we'll use 2x+y=7 in this case....

2x+(1)=7

2x+1=7
      -1  -1

2x=6

x=3

Thus, the point of intersection for these two equations is (3,1)
8 0
3 years ago
Help______________________________________
ser-zykov [4K]

The right step followed in the system to get he equations is (D). To get the system B. The second equation in system A was replaced by the sum of that equation and the first equation multiplied by 6. The solution to system B will be the same as the solution of system A.

<h3>Meaning of Simultaneous Equation.</h3>

A simultaneous equation can be defined as an equation that possesses two unknowns and one constant.

The solution to the problem can only be gotten by solving it side by side with another equation of the same format.

In conclusion, The right step followed in the system to get he equations is (D). To get the system B. The second equation in system A was replaced by the sum of that equation and the first equation multiplied by 6. The solution to system B will be the same as the solution of system A.

Learn more about simultaneous equation: brainly.com/question/148035

#SPJ1

3 0
1 year ago
What is the area of the triangle (-5,-2) (3,-1)
max2010maxim [7]

idk

Step-by-step explanation:

im to tired this sucks

3 0
3 years ago
HELPPPP<br> Solve the inequality.<br> 9 - 12 13<br> O q&gt;1<br> O 9-1<br> o 925<br> 09&gt; - 25
NikAS [45]

Answer:

b

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
A line passes through the points (0,3), (4,1) and (6,0). Which function best represents the relationship between the two points?
Veronika [31]

Answer:

<em>y = - </em>\frac{1}{2}<em> x + 3 </em>

Step-by-step explanation:

y = mx + b

m = \frac{y_{2} -y_{1} }{x_{2} -x_{1} } and "b" is y-intercept with coordinates (0, b)

(0, 3) ⇒ <u><em>b = 3</em></u>

(4, 1), (6, 0)

m = \frac{0-1}{6-4} = - \frac{1}{2}

<em>y = - </em>\frac{1}{2}<em> x + 3</em>

8 0
2 years ago
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