2livee
2livee
02-11-2017
Mathematics
contestada
Solve equations with 3 variables
Respuesta :
xisca
xisca
03-11-2017
a+b=3
-b+c=3 if we add these two equations we have a+c=6......(4) and from the 3rd equation we have a+2c =10
Now subtract (4) from (3)
a+2c=10
a+c=6 so a cancels out you have c=4 so a is 2 and b is 1
a=2
b=1
c=4
Answer Link
VER TODAS LAS RESPUESTAS ( 13+ )
Otras preguntas
96 members are going to pass a resolution to select a team leader. If 1/6 of the members voted in favor and 2/5 of the members voted against how many did not vo
Which of the following statements is correct for a person that has active Hepatitis B? A. Symptoms may or may not be present B. Infected person's will have jaun
Amy thinks of three numbers, which she calls a, b and c. The ratio a: cis 4: 3. The ratio b: cis 7:5. The median of a, b and c is 80. Work out the values of a,
Select the values that make the inequality m 4 true. Then write an equivalent inequality, in terms of m. (Numbers written in order from least to greatest going
Amy thinks of three numbers, which she calls a, b and c. The ratio a: cis 4: 3. The ratio b: cis 7:5. The median of a, b and c is 80. Work out the values of a,
anyyyy girrllll online hereeeere m soo bored
The sizes of matrices A and B are given. Find the sizes of AB and BA whenever they are defined. (If the matrix product is undefined, enter UNDEFINED.) A is of s
Solve each of the following equations. Show its solution set on a number line. Check your answers. |3x-2| = 19
Identify the domain and range x -5 -2 1 5 7 y 10 11 4 10 15
What work must be done to place a satelite of mass 30kg in orbit at a height of 50km above the earth with a velocity of 800m sec?
