uzumakigrrl247
uzumakigrrl247
25-01-2018
Mathematics
contestada
Systems of equations pls help!
Respuesta :
anchitthawi
anchitthawi
28-01-2018
equation 1 + equation 2
3x-8y +(-3x+10y) = 9+(-15)
2y= -6
then y=-3
from equation 1
3x-8y=9
3x-8(-3)=9
3x+24=9
3x=9-24=-15
then x=-5
Answer Link
VER TODAS LAS RESPUESTAS ( 81+ )
Otras preguntas
which is the equation of the line with slope 5 that contains point (-2 -3)
The four essential elements for life are _______. a.carbon, hydrogen, oxygen and nitrogen b. carbon, hydrogen, oxygen and sulfur c. carbon, nitrogen, o
Read the passage below carefully and then choose the correct answer. He had a fever when he was in Spain, And when the fit was on him, I did mark How he did sha
Which of the following is a true statement? A. Electromagnetic waves consist of only changing electric fields. B. Electromagnetic waves are longitudinal wave
What does the process of specialization do for an economy?
What is the radius of a circle with the equation x2 + y2 – 14x + 10y = 250?
When scientists looked at the polarity of bands of rock on either side of the mid-ocean ridges, what did they?
How might an instruction manual designed for troubleshooting differ from an instruction booklet designed for improving performance in a skill?
Which is a biotic factor? A. rotting carcass B.rock C.drop of water D.fire
In a group discussion which is most clearly a clarifying question
