3 years ago

What is the value of r in the equation 4r − 8 = 5r + 12? −20 −1 1 20

Mathematics

2 answers:

Lorico [155]3 years ago

8 0

Answer:

R = -20

Step-by-step explanation:

inn [45]3 years ago

5 0

Answer

r = -20

Step-by-step explanation

4r-8=5r+12

subtract 4r from both sides of the equation

-8=r+12

subtract 12 from both sides of the equation

-20 = r

You might be interested in

There are some cubes in a bag.

dedylja [7]

1:5 is the answer in 1:n form

8 0

3 years ago

4)Jane has a bag of marbles. In the bag there are 4 red marbles, 8 blue marbles and 5 green

Llana [10]

Answer: There is 17 marbles

Step-by-step explanation:

A: 4+8+5=17

B: 8

C: It has more marbles than the others.

5 0

3 years ago

Which of the following can cause a communicable disease

velikii [3]

What does "the following" mean ?

Where are the choices ?

8 0

3 years ago

What is the midpoint of (8,10) and (-8,8)

nasty-shy [4]

9514 1404 393

Answer:

(0, 9)

Step-by-step explanation:

The midpoint coordinates are the averages of the end point coordinates.

M = (A +B)/2

M = ((8, 10) +(-8, 8))/2 = (8 -8, 10+8)/2 = (0, 18)/2

M = (0, 9)

The midpoint is (0, 9).

4 0

3 years ago

A password is required to be 12 to 16 characters in length. Characters can be digits (0-9), upper or lower-case letters (A-Z, a-

valkas [14]

Answer:

Step-by-step explanation:

You can find your answer in attached document.

4 0

3 years ago