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dem82 [27]
3 years ago
7

Given the equation 4X +7 = 3 (2x -5 ) solve for the variable explain each step in justify your process

Mathematics
1 answer:
alexandr1967 [171]3 years ago
5 0

Answer:

x = 11

Step-by-step explanation:

4x + 7 = 6x -15

4x - 6x = -15-7

-2x = -22 / : (-2)

x = 11

If you have any questions about the way I solved it, don't hesitate to ask me in the comments below :)

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La ecuación de la recta que pasa por los puntos (2,-1) y (1,-5) es:
77julia77 [94]

Given:

A line passes through the points (2,-1) and (1,-5).

To find:

The equation of the line.

Solution:

If a line passes through the two points, then the equation of the line is

y-y_1=\dfrac{y_2-y_1}{x_2-x_1}(x-x_1)

The line passes through the points (2,-1) and (1,-5). So, the equation of the line is

y-(-1)=\dfrac{-5-(-1)}{1-2}(x-2)

y+1=\dfrac{-5+1}{-1}(x-2)

y+1=\dfrac{-4}{-1}(x-2)

y+1=4(x-2)

Using distributive property, we get

y+1=4(x)+4(-2)

y+1=4x-8

Subtract 1 from both sides.

y+1-1=4x-8-1

y=4x-9

Therefore, the correct option is B.

5 0
3 years ago
How many 12-digit decimal sequences are there that start and end with a sequence of at least two 3s?
stiks02 [169]
Four positions of such a sequence are given to be 3s, and we have 10 choices for the remaining eight positions. So the number of such sequences is

1^4\cdot10^8=10^8=100,000,000

or 100 million.
6 0
3 years ago
Is y=1/2+2 linear? and how do you know just by looking at the equation?
saul85 [17]

Answer:

No, it is not

Linear functions are those whose graph is a straight line. A linear function has one independent variable and one dependent variable. The independent variable is x and the dependent variable is y.

5 0
2 years ago
What is the answer for 76.4 x 3.6?
hammer [34]

Answer:

275.04

Step-by-step explanation:

76.4 x 3.6 = 275.04

6 0
2 years ago
Which shows the correct way to convert 5 ounces to pounds
Daniel [21]
There are 16 ounces in 1 lb. 

<span>divide however many ounces you have by 16 ounces. </span>

<span>34 oz / 16 oz = 2lbs 2 oz</span>
7 0
3 years ago
Read 2 more answers
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