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Law Incorporation [45]
3 years ago
11

Pls answer 5x-7y=58 y=-x+2

Mathematics
2 answers:
Zinaida [17]3 years ago
8 0

Answer:

x = 6

y = -4

Step-by-step explanation:

Plug y into the first equation.

5x - 7(-x+2) = 58

Then, solve for x.

Plug in x back to any one of the equations to find y.

swat323 years ago
6 0

Answer:  ( 6, -4)

Step-by-step explanation:

Substitute the value of y in the second equation  into the first equation and solve for x.

5x - 7(-x + 2) = 58       Distribute

5x + 7x - 14 =58      Combine like terms

12x - 14 = 58

      +14    +14

12x =    72

x  = 6  

Input  the value for x intro one of the equations to solve for y .

5(6) - 7y = 58

30 -7y = 58

-30          -30

    -7y = 28

   y = -4

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Is 29.9 a rational, integer, whole number or all of the above?
coldgirl [10]

Answer:

It is in integer

Step-by-step explanation:

An integer is any number positive or negative. A whole number would not have a decimal and if it were a rational number it could be written as a ratio.

5 0
3 years ago
<img src="https://tex.z-dn.net/?f=%285%20%7Bx%20%7D%5E%7B2%7D%20%2B%202%20%7By%7D%5E%7B2%7D%20%29%20%5Ctimes%20%283%20%7Bx%7D%5E
andrew-mc [135]

Answer:

15x^4 - 29x^2y^2 - 14y^4.

Step-by-step explanation:

(5x^2 + 2y^2) * (3x^2 - 7y^2)

= 15x^4 + 6x^2y^2 - 35x^2y^2 - 14y^4

= 15x^4 - 29x^2y^2 - 14y^4

= 15x^4 - 29x^2y^2 - 14y^4

Hope this helps!

3 0
3 years ago
5=1 2/3x how do I solve for x?
LiRa [457]

You'll first Cross multiply: 5× 3x

that'll give you 15x.

15x=12(12 is a numerical constant).

Divide both sides by the the coefficient of X .That is 15x/15= 12/15

Therefore the answer is 12/15= x

7 0
2 years ago
Read 2 more answers
Which set of coordinates satisfies the system of equations y = x − 3 and y = -2x + 1?
Svetlanka [38]

Answer:

  C

Step-by-step explanation:

The first equation has a y-intercept of -3. Only one line does.

The second equation has a y-intercept of +1. Only one line does.

The point of intersection of those two lines is the point labeled C. That has coordinates that satisfy both equations. (The point is on both lines.)

7 0
2 years ago
What's 20/2 simplified?
gladu [14]
Ten.
20 over 2 is like 20 divided by 2.

3 0
3 years ago
Read 2 more answers
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