ambmundle
ambmundle
01-03-2017
Mathematics
contestada
how to use substitution for 4x+3y=13 and x+y=4
Respuesta :
wolf1728
wolf1728
04-03-2017
A) 4x + 3y = 13
B) x + y = 4
B) x = 4 -y Then we substitute this into Equation A
A) 4 (4-y) + 3y = 13
A) 16 -4y +3y = 13
A) -y = -3
y = 3
x = 1
Answer Link
VER TODAS LAS RESPUESTAS ( 52+ )
Otras preguntas
What is the name of the Speaker of the House of Representatives now?
Which two earth layers are separated by the moho boundary?
At what type of plate boundary do compression and subduction take place?
which is understanding of classification an important skill
A machine with a mechanical advantage of 10 is used to produce an output force of 250 newtons. What input force is applied to this machine
Which two earth layers are separated by the moho boundary?
What does the President’s Cabinet do?
What are two rights of everyone living in the United States?
Two forms of solid carbon, diamond and graphite, differ in their physical properties due to the differences in their (1) atomic numbers (2) crystal structures (
Name one U.S. territory
