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jekas [21]
3 years ago
10

Por favor ayúdenme en esta ecuación: 5x-3x=6x-8

Mathematics
2 answers:
Neporo4naja [7]3 years ago
8 0

Answer: x = 2

Step-by-step explanation: Aquí esta :

Simplificar 5x - 3x y eso se de 2x

1.) 2x = 6x-8

Sustraer 6x-2x

2.) 2x-6x= -8

Y entonces deberías haber obtenido 4x

3.) -4x=-8

Dividir ambos lados por -4

4.) x = -8/-4

Dos negativas hacen una positivo

5.) x = 8/4

Finalmente, la repuesta es :

6.) x = 2

puteri [66]3 years ago
3 0

Hey there!

<h2>ANSWER: x=2</h2><h2>EXPLANATION:</h2>

5x-3x=6x-8

Combine like terms.

(5x+-3x)=6x-8\\2x=6x-8

Subtract 6x from both sides of the equation.

2x-6x=6x-8-6x\\-4x=-8

In the last step, we will divide both sides by -4.

\frac{-4x}{-4} =\frac{-8}{-4} \\x=2(ANSWER)

Hope this helps and have a great weekend!

\text{-TestedHyperr}

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SA=2(LW+LH+WH)
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7 0
2 years ago
⚠️ Show work for points ⚠️
Nikitich [7]

Answer:

D

Step-by-step explanation:

A is not, because 2-5x = -5x+2

(nothing has changed but the order)

B is not, because 3-5+2x = 2x-2

because 3-5 = -2. so -2+2x can be rewritten as 2x-2.

C is not, because 5x-2x = 3x

because you combine like terms, and 5-2 is 3

D <em>i</em><em>s</em><em>,</em> because 2x-2+3x = 5x-2

because you combine like terms (2x+3x=5x) and -2 is left.

4 0
3 years ago
What is the average rate of change of the function
Reptile [31]

Answer:

Average rate of change =-35.7084

Step-by-step explanation:

Given function is f(x)=480(0.3)^x and we need to find average rate of change of the function from x=1\ to\ x=5.

Average rate of change =\frac{f(b)-f(a)}{b-a}

So,

here\ b=5\ and\ a=1\\f(5)=480(0.3)^5\\=480\times0.00243=1.1664\\and\\f(1)=480(0.3)^1\\=480\times0.3=144

Average rate of change

=\frac{f(b)-f(a)}{b-a}\\\\=\frac{f(5)-f(1)}{5-1}\\\\=\frac{1.1664-144}{5-1}\\\\=\frac{-142.8336}{4}= -35.7084

Hence, average rate of change of the function f(x)=480(0.3)^x over the intervel x=1\ to\ x=5 is =-35.7084.  

5 0
3 years ago
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lys-0071 [83]

Answer:

-10

Step-by-step explanation:

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We know that x^y * x^z = x^(y+z)

9^-8 x 9^-2 = 9^(-8+-2) = 9^(-10)

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b = -10

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