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NNADVOKAT [17]
3 years ago
8

8p-5(p+3)=(7p-1)3 Please I really need help on this

Mathematics
2 answers:
4vir4ik [10]3 years ago
8 0
The answer is p= 4.25
pav-90 [236]3 years ago
3 0
8p-5(p+3)=3(7p-1)
8p-5p-15=21p-3
3p-15=21p-3
-3p on both sides
-15=18p-3
+3 on both sides
-12=18p
/18 on both sides
p= -12/18 or p=0.66..
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6+3(x+4)=24. solve the following equation please ​
Evgen [1.6K]

Answer:

The answer to this equation will be 2 for x

Step-by-step explanation:

Hope this Helped

6 0
2 years ago
Read 2 more answers
1) What is the solution of the given system?
m_a_m_a [10]

Answer:

1  x=-2.5  y = -5.5

2.  x=5  y=1

Step-by-step explanation:

1) What is the solution of the given system?

5x-y=-7

3x-y=-2

Multiply the second equation by -1

-1*(3x-y)=-1(-2)

-3x +y = 2


Now add the first equation to the modified second equation

5x-y=-7

-3x +y = 2

------------------

2x = -5

Divide each side by 2

2x/2 = -5/2

x = -2.5

Now we need to find y

-3x+y =2

-3(-2.5) +y =2

7.5 +y =2

Subtract 7.5 from each side

7.5 -7.5 +y =2-7.5

y = -5.5


2) what is the solution of the given system?

5x+7y=32

8x+6y=46

Divide the second equation by 2

8x/2+6y/2=46/2

4x+3y =23


Multiply the first equation by 4

4 (5x+7y)=32*4

20x+28y = 128


Now multiply the modified 2nd equation by -5

-5(4x+3y )=-5(23 )

-20x -15y = -115


Lets add the new equations together to eliminate x

20x+28y = 128

-20x -15y = -115

---------------------

      13y = 13

Divide each side by 13

13y/13 =13/13

y=1

Now substitute back in to find x

5x+7y=32

5x +7(1) =32

5x +7 =32

Subtract 7 from each side

5x+7-7 =32-7

5x =25

Divide by 5

5x/5 =25/5

x=5





3 0
3 years ago
Solve: /3=46<br><br> x/3 is a fractions
den301095 [7]

answer :138

x/3=46

x=46*3

x=138

8 0
3 years ago
WHO EVER GOES FIRST GETS BRAILY
Ira Lisetskai [31]

Answer:

C.) i belive this is the correct one

Step-by-step explanation:

7 0
3 years ago
The Polygons are similar. Find the value of x. ​
ollegr [7]

Answer:

13

Step-by-step explanation:

8/2=16/4

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x-3=2.5*4

x=10+3

x=13

8 0
3 years ago
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