trinityis
trinityis trinityis
  • 03-05-2021
  • Mathematics
contestada

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

Respuesta :

themathexpertise
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

Why was nelson mandela admired?
who was Cristóbal Colón?
The Code of Hammurabi was the a) first method of encoding communications during war. b) first formal theory of agriculture. c) first written set of laws. d) fir
What can be inferred about how the maori feel about the land they live on? the maori feel in control of their land. the maori feel overwhelmed by their land. th
At a local clothing store you can purchase 3 t shirts for 18.00$ at that rate how much would it cost to purchase 7 t shirts
Is 5.875 bigger than 5.8
3/7 x + 5/8 - 3/14 x + 1/4
Why must dna be able to make copies of itself?
Which phrases are found in the preamble to the constitution?
What is voltage? A. It is the sum of the electrical potential energy in two places in an electric field. B. It is the flow of an electric charge in only one dir