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

PLEASE HELPPPPWhich element of the story does the dramatization in Passage 2 emphasize more than Passage 1?A. the confusion of Rip Van Winkle as to who he reall

Please help ASAP if you know how. Thanks so much

Simplify: 2a -2/3b - 4 1/2a - 1/6b

On a piece of paper, use a protractor to construct A ABC with mZA = 30mZB= 60° and mZC = 90 Which statements about the triangles are true? Select each correct a

I’ve been trying to figure out this question but I am not able to please help

This Article defines the ratification of the Constitution

Kiran said that this diagram can show the solution to 16÷8=? or 16÷2=?, depending on how we think about the equations and the “?”. EXPLAIN why he is correct.

Need help asap please

Find the area of the trapezoid?

Suppose you had $6.00 to buy bananas and apples. Bananas cost $0.49 per pound and apples cost $0.34 per pound. Write a linear equation that represents the diffe