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

How do differences in weight affect behavior and our interactions with others?

A population of bacteria is introduced into a culture. The number of bacteria P can be modeled by P = 500 2 + 5t 60 + t2 where t is the time (in hours). Find

4x-9y=11 10x-9y=41 The correct solution is

A block and tackle of six pulley is used to raise a load of 300N steadily through a height of 30m, if the workdone against friction is 2000j. Calculate;1. The w

Explain the difference between a seamount and a volcanic island.(This is science actually, I just chose something because I couldn't find science.)

Maria and Nadia drive from Philadelphia to Toronto to visit their friend. They take two days for the trip, stopping along the way for sightseeing. To conserve o

5+30 help me plz i need help on this one question

Identify the properties that are illustrated.... 0+(-7)=-7+0

Sort each characteristic of a culture into the correct category.were known as WarriorsHaidaBothMaoriwere known as tradershunted and fishedbelieved in Ravenbelie

Help please i need exact answer