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

Least common multiple of 6 and 24
What is the equation of the translated function, g(x), if f(x) = x2? g(x) = (x + 5)2 + 2 g(x) = (x + 2)2 + 5 g(x) = (x – 2)2 + 5 g(x) = (x – 5)2 + 2
When studying the average number of children that are born to each woman in a country (assuming the mother lives to the end of her childbearing years), a resear
Denzel earned money after school
Solve for k. 3/4 k+3/8 k=12
Peripeteia is best defined as _____. the realization of fate a reversal of fortune a fatal flaw a moment of recognition and realization
What is the coefficient of the term x7y in the expansion of (x + y)8?
Which factor causes water to form small drops on a waxy surface?
70 dm + 3 m = how many m?
The segments shown below could form a triangle 7 1 7