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 ( 25+ )
Otras preguntas
Find x and y. I found x which is 68, I just need y now
Some Christian scientists have developed a theory called_______________ to help explain creation and the development of life on earth Punctuated Equilibrium o
please help!!!! 10 POINTS !!
Travel to the future and describe human impact on the environment ( water usage, land usage, population etc.)
When water is solid, do molecules move?
Two candidates, Dan and Donald, run for class president. Two other candidates, Freddie and Bernie, run for vice president. Each candidate has a 50$\%$ chance of
Is this graph a function or not a function
what is 6.2 divieded by 52.08
True or False: A cause of the French and Indian War was that Britain and France fought for control of the land in the Ohio River Valley. They wanted the same la
If a sweatshirt is on sale for 35% and now costs $52, what was the original price?
