bellamore
bellamore
03-07-2018
Mathematics
contestada
Solve for r:2r+7=13
Please help?
Respuesta :
Creati
Creati
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
VER TODAS LAS RESPUESTAS ( 59+ )
Otras preguntas
Which of the following is a true statement (for people in the Northern Hemisphere)? a. All stars are fixed in the sky and do not appear to rise and set at all.
what she called the nastiness of life was the shock she received upon learning that nobody stopped playing checkers just because the pieces included her childre
a copper wire that is 1 mm thick and 30 cm long is connected to a 1 v battery. (the resistivity of copper is 1.69 x 10-8 ω⋅m.)
The quotient of 24 and d
the application you attempted to authenticate to is not authorized to use cas. contact your cas administrator to learn how you might register and integrate your
How long did it take Fernando to drive to Kroger if he went west at a constant rate of 30 m/s. Assume Kroger was located 1680 m away.
i have two 20-sided dice that each have 4 maroon sides, 7 teal sides, 8 cyan sides, and one sparkly side. if i roll both dice, what is the probability they come
research the careers that English literature and English GCSEs. Write an article informing your peers of the advantages and careers your English GCSEs can offer
Which type of anthropologist would most likely study living savanna baboons in their natural habitat? O Primatologists O Forensic anthropologists O Archaeologis
En nuestro sistema solar 6 de los 8 planetas tienen lunas. ¿Qué porcentaje de los planetas tiene lunas?