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Julli [10]
3 years ago
15

Which value of x makes the equation x + 0.5x = x + 6 true? 3 12 6 30

Mathematics
1 answer:
zhenek [66]3 years ago
6 0
The answer for this would be x=12
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Slove algebraically<br><br>3x - 4y = -24<br>x +4y=8<br>​
Vanyuwa [196]

Solve algebrically 3x - 4y = -24 and x + 4y = 8 is x = -4 and y = 3

<u>Solution:</u>

We have been given two equations which are as follows:

3x - 4y = -24   ----- eqn 1

x + 4y = 8   -------- eqn 2              

We have been asked to solve the equations which means we have to find the value of ‘x’ and ‘y’.

We rearrange eqn 2 as follows:

x + 4y = 8

x = 8 - 4y  ------eqn 3

Now we substitute eqn 3 in eqn 1 as follows:

3(8 - 4y) -4y = -24

24 - 12y - 4y = -24

-16y = -48

y = 3

Substitute "y" value in eqn 3. Therefore the value of ‘x’ becomes:

x = 8 - 4(3)

x = 8 - 12  = -4

Hence on solving both the given equations we get the value of x and y as -4 and 3 respectively.

5 0
3 years ago
Suppose your​ friend's parents invest $20,000 in an account paying 4 % compounded annually. What will the balance be after 5 ​ye
musickatia [10]
You got to Round it to the 10 & all that
6 0
3 years ago
How do you graph y= -4x with an exponent of 2
ololo11 [35]

Answer:

Go to Desmos.com

Step-by-step explanation:

If you go to Desmos.com and type in the equation, it will graph it for you.

8 0
3 years ago
If f(x) = 2x−5, then what is the value of f(2) + f(5)
DochEvi [55]
First of all f(2)=2(2)-5=-1 and f(5)=2(5)-5=5
so
f(2)+f(3)=-1+5=4
7 0
3 years ago
Write a equation that is parallel to 5x-y=4
ozzi
Let's have this equation equal y first. All we have to do is add y to both sides and subtract 4 from both sides.
5x-4=y
Now, to get a parallel line, the y intercept has to change. The y intercept (the -4 in the equation) can be an infinite amount of number but -4.
Let's choose 6. We would have 5x+6=y or you could put it in the way the other equation was, 5x-y=-6.
6 0
3 years ago
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