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Nady [450]
3 years ago
11

5x+4=19 i need help agian

Mathematics
2 answers:
vladimir2022 [97]3 years ago
6 0

Answer:

x = 3  

Step-by-step explanation:

5x + 4 = 19

5x +4 -4 = 19 -4

5x = 15

5x / 5  = 15 / 5

x = 3  

KengaRu [80]3 years ago
5 0

Answer:

x-3

Step-by-step explanation:

5x= 19-4

5x= 15

x= 15/5

x= 3

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If 7(x-7)=-15 then x =
soldi70 [24.7K]

7(x-7)=-15

distribute

7x-49 =-15

add 49 to each side

7x =34

divide by 7

x = 34/7

x = 4 6/7

6 0
2 years ago
8x-5y=21 simultaneous linear equation<br>2x+9y=-5
olya-2409 [2.1K]

Answer:

x=2 and y=-1

Step-by-step explanation:

If two equations are given, we can solve one of the equation in terms of single variable and put it in the other equation which will further give the value of x and y.

For the given equations:

8x-5y=21              Equation:1

2x+9y=-5             Equation:2

Solving equation multiply equation 2 with 4 on both the sides

8x+36y=-20        Equation 3

Subtracting Equation:3 from Equation:1

8x-5y-(8x+36y)=21-(-20)\\8x-5y-8x-36y=21+20\\-41y=41\\y=-1

Putting value of 'y' in Equation:2 which will give the value of x

2x+9y=-5\\2x+9(-1)=-5\\2x-9=-5\\2x=4\\x=2

8 0
3 years ago
What type of angles are&lt; 1 and &lt;5?
belka [17]

Answer:

The type of angles of <1 and <5 are corresponding angles

Step-by-step explanation:

3 0
2 years ago
How to slove this question 7v-v=12
vampirchik [111]
7v-v=12  subtract v from 7v to get 6v
6v=12    divide 12 by 6 to find variable
v=2        
5 0
3 years ago
4(9x + 7) = x - 4<br><br> ALGEBRA 1!!
tiny-mole [99]

Hey!

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

Solution:

4(9x + 7) = x - 4

36x + 28 = x - 4

36x + 28 + 28 = x - 4 + 28

36x = x + (-32)

36x - x = x - (-24) - x

35x = -32

35x/35 = -32/35

x = -32/35

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

Answer:

x = -32/35

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

Hope This Helped! Good Luck!

6 0
3 years ago
Read 2 more answers
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