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Daniel [21]
2 years ago
7

If the point (x, -2) is a solution to the equation y = 2x – 4, find the value of x.

Mathematics
2 answers:
kozerog [31]2 years ago
8 0

Answer:

(1,-2)

Step-by-step explanation:

(x,-2)

= -2 = 2x - 4

-2x     -2x

-2x -2 = -4

+2   +2

-2x = -2

/-2    /-2

x = 1

guapka [62]2 years ago
7 0
This should your answer:

X = 4

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docker41 [41]

Answer: x =10

Step-by-step explanation:

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4 0
3 years ago
What 2 numbers can you add up to get 24 and multiply to get -25?
coldgirl [10]
If you would like to find 2 numbers which you can add up to get 24 and multiply to get -25, you can calculate this using the following steps:

a + b = 24 ... b = 24 - a
a * b = -25 ... a * (24 - a) = -25 ... 24 * a - a^2 = -25 ... 0 = a^2 - 24 * a - 25
0 = (a - 25) * (a + 1)
1. a = 25
2. a = -1

b = 24 - a
1. b = 24 - 25 = -1
2. b = 24 - (-1) = 25

The numbers you are looking for are -1 and 25.
6 0
3 years ago
Read 2 more answers
Briana bought a lot of snacks from Dollar General last night for $193.84, not including tax. If the tax rate was 9%, how much di
lina2011 [118]

Answer:

17.4456 Pretty sure they want you to round up not sure

Step-by-step explanation:

I like to divide by 100 the get the rate for 1% and then multiply by the actual number in your case 9 you can use a calculator for this to make it easy and you can get it pretty simple this usually works for all percent's if you have multiple like 9.74 use the lowest percent .04 that way you can use it to find the rest I hope this helps :) lmk if you want me to explain more

7 0
3 years ago
-8 x+3=-29 what is x?
kykrilka [37]

Answer:

x=4

Step-by-step explanation:

To solve for x, use inverse operations:

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-8x +3 -3 = -29 -3

-8x = -32                    Divide both sides by -8

x = 4

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3 years ago
Explain how to use the combine values strategy to find 223-119
stich3 [128]
223
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104
In stead of doing 3-9 and 2-1 do 23-19 then 2-1
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2 years ago
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