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

i NEED HELP ASAP with my science analysis questions !

Select two pieces of legislation passed by the United States Congress and for each: • Describe the historical circumstances that led to the passage of the legis

What is a coefficient?

Write a two column proof. Can someone please help me I posted this yesterday and nobody helped if you can also help me with the other that’ll be great. Happy Ne

The thin, narrow structure of the capillaries is well-suited to their function because the capillaries _____. 1. Only carry the liquid portion of blood 2. Trans

what is keplers .explain every law of planetary motion.

In triangle ABC, the measure of angle B is 60 more than A. The measure of angle C is eight times the measure of A. If x represents the measure of angle A, set u

Determine the equivalent system for the given system of equations: 2x + 3y = 7 4x − 2y = 4 (A) 2x + 3y = 7 8x − 4y = 4 (B) 2x + 3y = 7 6x + y = 11 (C) −2x − 3y

A student is writing a paper comparing the voting rules between states. Which of the following sites would be the most reliable resource with minimal bias for i

Solve the inequality. Graph the solution. 4(n-3) -6>18