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 ( 71+ )
Otras preguntas
When 70,000 is written as 7.0 10^{n} what is the value of n ? Can you please explain with some details?
convert to vertex form. y=2x^2+14x-4
It is likely that Earth could lose half of its species in the next ____________ years. a. 50 b. 100 c. 500 d. 1000
what creates more friction aluminum foil, wax paper or plastic wrap
Why did immigrants tend to group together in cities?
You are conducting an experiment with phosphorus and nitrogen being added to the soil of a growing plant. When the amount of added nitrogen is increased, the
Which sign is the less sign and which one is the greater sign (can someone please tell me I really need help! and I never understand the signs!) is this greater
Find the distance between two parallel lines: x = 11 and x = 5.
Michelle has $12.30 in her purse in 1 cent 5 cent and 25 cent coins. if she has an equal number of each coin type how many coins does Michelle have in her purse
How did professors feelings about black well as a student change over time?
