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3 years ago

A number decreased by 6 gives twice the number

Mathematics

2 answers:

alexgriva [62]3 years ago

5 0

Answer:

I think it's 4

Step-by-step explanation:

Pavel [41]3 years ago

5 0

Answer:

x-6=2x or x=-6

Step-by-step explanation:

Ⓗⓘ ⓣⓗⓔⓡⓔ

Well, assuming you're wanting an equation, you just read the question.

x-6=2x

And, assuming you're wanting to SOLVE it, you would simply do as shown:

x-6=2x

-x -x

x=-6

(っ◔◡◔)っ ♥ Hope this helped! Have a great day! :) ♥

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When you add 6 to the product of a number and 10, the result is 36. What is the number?

n200080 [17]

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Step-by-step explanation:

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3 years ago

What is the set of all solutions to the equation \sqrt{x + 2}= {-x} x+2 =−xsquare root of, x, plus, 2, end square root, equals

NARA [144]

Answer:

$x = 2$ or $x = -1$

Step-by-step explanation:

Given

$\sqrt{x + 2}= {-x}$

Required

Find the possible values fo x

$\sqrt{x + 2}= {-x}$

Square both sides

$( \sqrt{x + 2})^2= ({-x})^2$

$x + 2 = x^2$

Equate to 0

$x^2 - x - 2 = 0$

Expand

$x^2 + x -2x - 2 = 0$

Factorize:

$x(x + 1) - 2(x + 1) = 0$

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