2livee
2livee
02-11-2017
Mathematics
contestada
Solve equations with 3 variables
Respuesta :
tynollette
tynollette
02-11-2017
add up equation 1 and 2 to eliminate b
(a+b)+(-b+c)=3+3 => a+c=6
subtract this new equation from the third equation:
(a+2c)-(a+c)=10-3 =>c=4
plug in c=4 in a+c=6 =>a=2
a+b=3, a=2 =>b=1
Answer Link
VER TODAS LAS RESPUESTAS ( 49+ )
Otras preguntas
Scientists once believed that Tyrannosaurus rex dragged its tail along the ground. Today, they know that T. rex did not drag its tail but held it aloft, above t
Choose the property that justifies the outcomes. 5(3*8)=15*8 Associative Property of Addition Additive Inverses Commutative property of Addition Multiplicative
What do tobacco, cotton, and rice have in common? They were all cash crops. They were all subsistence crops. They were all grown on small farms. They were all g
The human body consists of two types of fat components: essential body fat and storage body fat. TRUE OR FALSE PLEASE HELP a. True b. False
Due to human demand because of its importance to life, the Earth's most precious resource is A. soil.B. saltwater.C. freshwater.D. oil.
The great compromise was between which two groups
if i get paid 7.25 and i get 30 hours how much is my check
Which of the following is not considered a part of the male urethra? a. Prostatic b. Membranous c. Vasapore d. Penile
What event constituted the Boston Tea Party
What does this quote tell us about the media influence during the Nixon investigation
