2 years ago

Is -4 a solution for the equation 5x (2-4)=2(5x -4)?

Mathematics

1 answer:

yarga [219]2 years ago

8 0

Answer:

no it is 0.4

Step-by-step explanation:

5x(2-4)=2(5x-4)

10x-20x=10x-8

-20x=-8

20x=8

10x=4

x=0.4

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xeze [42]

Answer:

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Step-by-step explanation:

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2 years ago

How many solutions does 2x+ 2x+ 2=4+2x have

yuradex [85]

Let's see!
$2x + 2x + 2 = 4 + 2x\\ 4x + 2 = 4 + 2x\\ 4x - 2x + 2 = 4 + 2x - 2x\\ 2x + 2 = 4\\ 2x + 2 - 2 = 4 - 2\\ 2x + 0 = 2\\ 2x = 2\\ 2x/2 = 2/2\\ x = 1\\$
The answer is B

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3 years ago

Determine the value for AB

grin007 [14]

Answer:

x = 2

AB = 14

Step-by-step explanation:

2x(10) = 8(x+3)

20x = 8x + 24

subtract 8x from both sides

12x = 24

x = 2

Check:

4(10) = 8(5)

40 = 40

Correct

2x = 2 x 2 = 4

4 + 10 = 14

If my answer is incorrect, pls correct me!

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-Chetan K

5 0

2 years ago

Read 2 more answers

PLEASE HELP!!!! 20 pts!If you could explain why that would be amazing!

Leona [35]

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3 years ago

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Pre-Cal Help?!?! Solve e^x^2-9=1

andrey2020 [161]

E^x^2 - 9 = 1
e^x^2 = 1 + 9 = 10
Ln e^x^2 = Ln 10
x^2 = Ln 10
x = sqrt (Ln 10) = 1.517
x = 1.517

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3 years ago