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MaRussiya [10]
2 years ago
11

If 7-6x= 2x+13 then what is 22x

Mathematics
1 answer:
blondinia [14]2 years ago
6 0

Answer:

Step-by-step explanation:

7 - 6x = 2x + 13

7 = 2x + 13 +6x

7 = 8x +13

7 - 13 = 8x

-6 = 8x

-6/8 = x

x = -3/4

22x = 22 * (3/4)

        = 11 *(3/2)

        = 33/2

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Step-by-step explanation:

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3 years ago
Help me i dont really understand
xenn [34]

Answer:

73

Step-by-step explanation:

12(6) + 1/4 • 2^2

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Lastly, add.

73

The parenthesis around the 6 mean multiplication, not the Parenthesis that are grouping symbols if you are learning PEMDAS. So your question has no grouping symbol parenthesis. Next comes Exponents, that's why we squared the 2. Multiply and Divide come next IN THE ORDER THAT THEY APPEAR FROM LEFT TO RIGHT. Then the same method with adding and subtracting. That's called the order of operations.

3 0
2 years ago
Suppose that the function f is defined. , for all real numbers, as follows.
aivan3 [116]

Answer:   <em>The values of......</em>

<em>f(-5)=\frac{9}{4}\\ \\ f(-2)= -1\\ \\ f(4)=0</em>

Step-by-step explanation:

Given function is:   \left \{ {{f(x)= \frac{1}{4}x^2 -4, if x\neq -2} \atop {=-1, if x=-2}} \right.

For f(-5),  the value of x is -5, which is not equal to -2.

So,  f(-5)= \frac{1}{4}(-5)^2 -4 = \frac{1}{4}(25)-4 =\frac{25}{4}-4=\frac{25-16}{4}=\frac{9}{4}

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So,  f(-2)= -1

For f(4),  the value of x is 4, which is not equal to -2.

So,  f(4)=\frac{1}{4}(4)^2 -4 =\frac{1}{4}(16)-4 =4-4=0

5 0
3 years ago
Which expression represents, six times a number plus 8 times a number?
Arada [10]
6a+8b; when a variable is next to a coefficient then that means they are multiplying each other, we just don't know what a or b is.
3 0
3 years ago
Read 2 more answers
I need a answer ASAP​
liberstina [14]
Answer: I think it’s B
Not sure tho

Explanation
6 0
3 years ago
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