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levacccp [35]
3 years ago
6

Find X when y= -2 Thank you for your help and have a blessed day

Mathematics
2 answers:
Andreas93 [3]3 years ago
8 0

Answer:

x = -5

Step-by-step explanation:

4x+y=2(x+3y)\\\\4x-2=2(x+3(-2))\\\\4x-2=2(x-6)\\\\4x-2=2x-12\\\\4x-2+2=2x-12+2\\\\4x=2x-10\\\\4x-2x=2x-2x-10\\\\2x=-10\\\\\frac{2x=-10}{2}\\\\\boxed{x=-5}

Hope this helps.

bekas [8.4K]3 years ago
7 0

Answer:

-5

Step-by-step explanation:

4x+y=2(x+3y)

plug in -2 for y: 4x+(-2)=2(x+3(-2))

solve: 4x-2=2x-12

subtract 2x from each side: 4x(-2x)-2=2x(-2x)-12

2x-2=-12

add 2 to each side: 2x-2(+2)=-12(+2)

2x=-10

divide both sides by 2: 2x(/2)=10(/2)

x=-5

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3 years ago
You buy a car for $25,000. It depreciates at the rate of 23% per year.
Juliette [100K]

The worth of the car in 10 years is $1,831.67 using an exponential equation approach.

What is an exponential equation?

An exponential equation is the one with exponents such X^3(the 3 is the exponent)

The exponential equation required here is the one where the future value would be lower than current value because the car reduces in value year-in-year-out.

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Find further explanation on exponential equation below in the link:

brainly.com/question/11832081

#SPJ1

7 0
2 years ago
If 6:2=8:x, then<br> a. 6x=16<br> b. 6x=10<br> c.2x=48<br> d. 2x=14
otez555 [7]

Answer:

a)6x = 16

Step-by-step explanation:

<h2><u>Finding the value</u></h2>

the ratio can be solved by <u>cross multiplication :</u>

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4 0
3 years ago
Read 2 more answers
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