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 ( 76+ )
Otras preguntas
What is the simplified expression for 6(2(y+x))?
Solve 2/3x> 8 or 2/3x< 4
PE 10 Post Test FY19Cassidy Monaye Fryeris a movement that increases the angle between two body parts such as moving a limb from a bent to a straight position
how many grams are in 2.3 x10-4 moles of calcium phosphate ca3(po3)2
The price of a computer was decreased by 30% to £147. What was the price before the decrease?
PLEASE HELP 15 POINTS
Please please help me out
Descriptive, Prescriptive and Historical are three methods used in lexicography.TrueFalse
Anxiety only occurs in those who have an anxiety disorder.
Simplify:- √5+√10+√28+√64
