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tangare [24]
3 years ago
7

What is 4x-8+5x=28 plz help me with this

Mathematics
2 answers:
ladessa [460]3 years ago
8 0

Answer:

x=4

Step-by-step explanation:

4x-8+5x=28

9x-8=28

Add 8 to both sides.

9x=36

Divide 9 from both sides.

x=4

Hope this helps! Plz give brainliest!

torisob [31]3 years ago
5 0

Answer:

x = 4

Solution:

Combine like terms and simplify.

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6n − 2(4n + 7) + 4 = -2
vodomira [7]

Answer:

n = -4

Step-by-step explanation:

Step  1  :

Equation at the end of step  1  :

 ((6n -  2 • (4n + 7)) +  4) -  -2  = 0

Step  2  :

Step  3  :

Pulling out like terms :

3.1     Pull out like factors :

  -2n - 8  =   -2 • (n + 4)

Equation at the end of step  3  :

 -2 • (n + 4)  = 0

Step  4  :

Equations which are never true :

4.1      Solve :    -2   =  0

This equation has no solution.

A a non-zero constant never equals zero.

Solving a Single Variable Equation :

4.2      Solve  :    n+4 = 0

Subtract  4  from both sides of the equation :

                     n = -4

One solution was found :

                  n = -4

Processing ends successfully

plz mark me as brainliest if this helped :)

4 0
4 years ago
Find the missing value, answer and explain
Sonbull [250]

Answer:

-24

Step-by-step explanation:

to find the answer to this you must find out what would make the equation constant

everytime the x goes up by 3 the y goes down by 6

so every time the x goes up by 1 the y goes down by 2

so

you would subtract 5 * 2 (or 10) to -14

-14 - 10 = -24

8 0
2 years ago
Area of a Circle
Cloud [144]

Answer:

The diameter of the pond is 38 m.

The radius of the pond is 19 m.

The area of the pond is 361 m^2.

Step-by-step explanation:

We know that the circumference C of a circle is equal to

C=\pi D

In this case, C is equal to 120 m.

The diameter is then:

D=C/\pi=120/3.14=38.21\approx 38

Rounded to the nearest whole number, the diameter is D=38 metres.

The radius is equal to half the diameter, so the radius of this pond is R=19 metres.

R=D/2=38/2=19

The area can be calculated from the radius as:

A=r^2=19^2=361

The area is 361 m^2

4 0
3 years ago
Read 2 more answers
Use the grouping method to factor the polynomial below completely.<br> +3 - 4x² + 3x - 12
ahrayia [7]

Answer:

The answer is “B”

Step-by-step explanation:

Group and factor out the greatest common factor (GCF), then combine.

3 0
3 years ago
7. The bake sale raised $100. If each candy sold cost $0.50, how many candies were sold?​
ZanzabumX [31]

Answer:

200 candies were sold

Step-by-step explanation:

Because we know that each candy costs $0.50, we can simply divide 100 by 0.5.

100/0.5\\200

5 0
3 years ago
Read 2 more answers
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