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 ( 85+ )
Otras preguntas
Evaluate 12(w - 5z), given values w = 16, z = 3
Which U.S. agency enforces environmental regulations promoting sustainable development? Environmental Protection Agency Environmental Security Administration
Why is networking one of the best ways to get a job?
Sarah: “Tell me all about your weekend! Was it nice to be on the beach?” Rose: “It was awful! It rained the whole time and I didn’t get to spend any time on the
I need help please I just need help or tell me the answer to this problem
What did the United Fruit Company claim regarding the Guatemalan leader Arbenz that in part resulted in an American-supported coup of the Arbenz government ? A.
—¿_____ este sitio Web? —Es impresionante. _____ para mucho. A. Para qué sirve, Pide B. Qué te parece, Sirve C. Buscas, Creas D. Pides, Grabas P
Mario eats two cups of pretzels every night while he watches television.How many cups of pretzels does he eat in one week?
What characteristic do a bottleneck and a founder effect have in common? Both encounter a population crash. Both involve a portion of a population becoming isol
Polymerization is most directly responsible in determining which structure of a protein?
