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 ( 96+ )
Otras preguntas
how do you solve the equation 2s+3=14s
The widths of two similar rectangles are 16 cm and 14 cm. What is the ratio of their perimeters? Of their areas? a. 8:7 and 64:49 b. 9:8 and 64:49 c. 8 and 81-
Ryker is given the graph of the function y= 1/2x^2 - 4 . He wants to find the zeros of the function but is unable to read them exactly from the graph. Find the
An ecosystem includes what?
Is Obesity Really a Big Problem in America? Please help me :)
Help me please. What Is Stonehenge?
The specific temperature at which a substance changes from a liquid to a gas is an example of a
Solve for x/4-x+2/6=x/3
How do you use Bill of rights in a sentence
What Should I Know About Nigeria?
