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

A super train travels 1,500 miles in 12.5 hours. How many miles does it travel in one hour?

If 4(x-2/3)=-18, what is the value of 2x?

How do you divide fractions?

what city is located at 51 degree north and 0 degree west

This is the reference to a person, place, or event from history, literature, or religion with which a reader is likely to be familiar.

what was the Monroe Doctrine?

which best describes atalanta's conflict with hippomenes? A) man vs man B) man vs nature C) man vs supernatural D) man vs society

John works two jobs. As a security guard he earns $8.75 per hour. As a landscaper he earns $14.00 per hour. One week John worked a total of 30 hours and earned

Evaluate the expression. 2^3=___

Il est rond,rose,il mange beaucoup