trinityis trinityis

03-05-2021
Mathematics

contestada

In the equation 2r - 7 = 15, what value of r makes this equation true?

Respuesta :

themathexpertise themathexpertise

03-05-2021

Answer:

r = 11 makes 2r - 7 = 15 true.

Step-by-step explanation:

2r - 7 = 15

Add 7 to both sides.

2r = 22

Divide by 2.

r = 11

Proof:

2r - 7 = 15

2(11) - 7 = 15

22 - 7 = 15

15 = 15

Answer Link

Otras preguntas

what are the original 13 colonies and which became states first?

Find the value of y. 28.5 22.4 25.8 24.2

I need help with 20 and 21

Meters per second × ? = Miles per hour

What's the different between activity and concentration?

I sold 8 of which were ducks what the next donut sold will be a duck

n your own words, explain how the changes in the temperature of ocean water causes movement of ocean water from one place to another.

what would be the total length of the 2 1/4-inch barrettes if Mikayla places them end to end?

The angle measure in degrees that corresponds to 7/10 of a circle is ____. It's corresponding measurement in radians is 7(pi)/___. please help, I'm horrible wi

A fireman is standing 30 m directly west of a burning building. His ladder reaches 50 m up the side of the building. What is the angle of elevation (to the clos