alfonso7guzman7
alfonso7guzman7
03-10-2020
Mathematics
contestada
Subtitute 2x+y=7 and 3x-y=8
Respuesta :
taaaaan
taaaaan
03-10-2020
2x + y =7 (1)
3x-y=8 (2)
(1) + (2)
5x = 15
x = 3
Answer Link
VER TODAS LAS RESPUESTAS ( 81+ )
Otras preguntas
Which statements describe factors that led to the decline and defeat of the Aztec Empire? Choose all answers that are correct. A. The Spanish attempt to recruit
What is the slope of the line whose equation is 2y=5×+4?
What are the electronic configurations for the first twenty elements
For which of the following did President Theodore Roosevelt win the Nobel Prize in 1906? for building the Panama Canal for the Roosevelt Corollary for the Open
What was the source of Axum's prosperity in the fourth century CE? Its strategic location in the middle of African, Mediterranean, and Asian trade networks Its
Which of the following statements best characterizes Costa Rica's government since 1949? A. Several military dictatorships have ruled the country since 1949. B.
Which of these principles is common to both Lamarck’s and Darwin’s theories of evolution? Species developed new features in order to survive in a changing envir
Which technological development led to an increased demand for slaves in the United States during the early- to mid-1800s? A) the steel plow B) the cotton gin C
After Charlemagne's death, his kingdom declined due to all of the following except a. Louis the Pious, his son, was weak and short sighted. c. Muslims, Slavs, a
what is the Egyptian goddess Bastet role??
