bellamore bellamore

03-07-2018
Mathematics

contestada

Solve for r:2r+7=13
Please help?

Respuesta :

03-07-2018

Hiya!

Switch the equation around:

2r + 7 = 13 ⇒ 13 - 7 = 2r

The sign changes when moved to the other side( + to -)

13 - 7 = 6

[tex] \frac{6}{2} = \frac{2r}{2} [/tex]

r = 2

Answer Link

Otras preguntas

HELPPPOO ASAP please!

________ represents the cost of those goods that were completed and moved to Finished Goods Inventory during the period.

Which selection from this text, an excerpt from tik-tok of oz, by l.Frank Baum, best demonstrates how use of the third-person omniscient point of View helps dev

In a population of seahorses, red seahorses on average produce 125 offspring and brown seahorses produce 75 offspring. What is the fitness of the brown phenotyp

Two planes intersect in a___. •point •ray •line •line segment

x=27−−√3 x = Solve the equation

22222222x22222222222222

Six times a number is greater than 20 more than that number. What are the possible values of that number?

I need help STAT! Milo has a 250-page book and has already read 100 pages. Which statements are true? Check all that apply. The result of subtracting 250 – 100

In ancient eygpt who was both the head of government and religious life