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 ( 21+ )
Otras preguntas
Select the correct answer. Allan is manager of the software. His team has compiled various design documents prior to starting the development of the software. A
Urgent! Write in Spanish:
answer this question
ASAP PLEASE HELPPPPPPPPPPPPPPPPPP MEEEEEEEEEEEEEEE
When outlining a text, what is the correct sequence of labels for a standard outline? O 1., I., A., a. O I., a., i., 1. O I., A., 1., a. O 1., A., a., i.
He wants to lose weight, …………. he works out in the gym every day. A.that B.so C.and D.but
The dual of the equation x(y + 1) is?
Which of the following is not true of the above examples of Neolithic ceramics? a. Patterns were engraved into each ceramic piece, and then white chalk was rubb
why do most strategic plans fail to achieve the intended results
how do I solve this pls help khan academy is no smart
