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

In 1778, the United States and France signed the Treaty of Alliance, in which both countries agreed to assist the other in case of an attack by Great Britain. I

Can anyone help me ????? Please

Which Asian country defeated Russia in war and gained control of Manchuria and Korea? A. Indochina B. Thailand C. Japan D. Taiwan

what is 39:60 as a fraction, decimal, and a percent?

Which Asian country defeated Russia in war and gained control of Manchuria and Korea? A. Indochina B. Thailand C. Japan D. Taiwan

compare and contrast volume and surface area

In addition to the financial reward it already offers for the birth of new babies, what other steps could the government of Singapore take to guarantee its futu

When DNA is duplicated during mitosis, _____. one completely new DNA molecule is formed two completely new DNA molecules are formed two molecules are formed, ea

Which of the following territories did the United States acquire as a result of the Spanish-American War? Samoa Puerto Rico the Virgin Islands the Midway Island

Energy in most ecosystems must flow through autotrophs because ______.