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 ( 74+ )
Otras preguntas
Please help! I have no idea how to solve this question. Thank you!
Wine is 14 % (by volume) alcohol. How many milliliters of alcohol are in a 0.750-L bottle of wine?
What's the equation?
What is the length of ? Round to the nearest tenth. hurry please
What does it mean when an answer is written in terms of percentage?
What is the meaning of an eye for an eye makes the whole world blind?
The most important fundamental dimension in economic analysis is
two different ways to find the value of the expression 5.4 * 1.17 * 100 that do not require you to First multiply 5.4 X 1.17
The product of some negative number and 3 less than twice that number is 209. find the number
How might it benefit an organism to have the nucleus near the centre of its cells?
