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Vlad [161]
2 years ago
8

Twice the sum of a number and six is eight

Mathematics
1 answer:
kkurt [141]2 years ago
7 0
This can be represented as:
2(x + 6) = 8
Open the bracket:
2x + 12 = 8
Collect like terms:
2x = 8 - 12
Simplify :
2x =  - 4
Divide both sides by 2:
x =  - 2
You can check the answer by inputting - 2 in the first equation:
2( - 2 + 6) = 8
2(4) = 8
8 = 8
Hope I helped you! ☺️
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De las soluciones de la siguiente ecuación: x2 + 8x − 30 = 18? Cual es el numero de mayor valor Entre.
vekshin1

Answer:

The correct answer is "x = 4" and "x = -12".

Step-by-step explanation:

The given equation is:

⇒  x^2+8x-30=18

On subtracting "18" from both sides, we get

⇒  x^2+8x-30-18=18-18

⇒  x^2+8x-48=0

On applying factorization, we get

⇒  x^2+12x-4x-48=0

On taking common, we get

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⇒  (x-4)(x+12)=0

⇒                 x-4=0

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or,

⇒               x+12=0

                         x=-12    

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Answer:

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Step-by-step explanation:

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This function needs to be translated 5 units to the right. Therefore, the equation will be: g(x) = (x - 5)² + 3

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