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Natalka [10]
2 years ago
5

What is the value of x in the equation 4x – 2(x + 3) = 8? Show ALL steps in the space below:

Mathematics
2 answers:
Nutka1998 [239]2 years ago
6 0

Answer:

x = 7

Step-by-step explanation:

4x - 2(x + 3) = 8

4x - 2x - 6 = 8

2x - 6 = 8

2x = 14

x = 7

First step is to distribute -2 to x and 3, which equals -2x and -6

Second step is to subtract 4x - 2x, which equals 2x

Third step is to add -6 to 8, which equals 14

last step is to divide, 2x / 14, which equals 7

I hope this is correct

Rzqust [24]2 years ago
4 0

Answer:x=1

Step-by-step explanation:

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Step-by-step explanation:

5 0
3 years ago
Evaluate square root of 24 - x when x = 6 . Write the answer in simplified radical form.?
timofeeve [1]
So, first we input 6
24 - 6 = 18
So we now need to find the square root of 18
If you're allowed to use a calculator, the square root is 4.242

But if you don't, let's get as close as we can:
√(9 * 2)
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4 0
3 years ago
3) Let h(x)= |2x|-4. Find h(x) when x = -7.<br> a) -10<br> b) 10<br> c) -13<br> d) 13
svlad2 [7]

Answer:

h(x) = 10

Step-by-step explanation:

Given

h(x) = |2x| - 4

x = -7

Find h(x)

Substitute -7 for x

h(x) = |2*-7| - 4

h(x) = |-14| - 4

Absolute values return positive. So:

h(x) = 14 - 4

h(x) = 10

8 0
2 years ago
Rewrite the function f of x equals 7 times one half to the 3 times x power using the properties of exponents.
Artist 52 [7]

Answer:

f of x equals 7 times one eighth to the x power

Step-by-step explanation:

Given phrase,

function f of x equals 7 times one half to the 3 times x power,

\implies f(x) = 7(\frac{1}{2})^{3x}

By the power to power property of exponent,

That is,

(a^m)^n=a^{m.n}

f(x) = 7((\frac{1}{2})^3)^x

f(x) = 7(\frac{1}{8})^x

= f of x equals 7 times one eighth to the x power

8 0
3 years ago
Which expression is the best estimate of 1/5 times 24.5
butalik [34]

Answer:

B

Step-by-step explanation:

1.2 x 3.7 nearest tenth

1 x 4 nearest whole number

B

8 0
3 years ago
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