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 motor bike gets 60 kilometer per gallon of gasoline.how many gallons of gasoline would the bike need to travel 240 kilometers?

Which type of medical insurance typically offers the least amount of flexibility in selceting a primary care physican?

Why do the Zuckermans forget to take care of the farm?

why did the minoans and mycenaeans depend on trade (1 point)

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

What cells were chloroplast present in? What did they look like in the various cells?

How much more does 1 1/4 pounds of beef cost than 1 1/4 pounds of turkey if Beef=$4.25 Turkey=$2.85

Please help These are Honors Geometry problems that I don't understand. Please explain how you got your answers and show you work so I can understand what to do

What invention has help to predict and warn people of storms aproaching?

Which of these is the best example of an "I" message? A. When are you going to stop drinking? B. I feel frustrated when you tease me about not drinking.