BritishAce
BritishAce
01-02-2017
Mathematics
contestada
Substitution Method. Help please? #5 please!
Respuesta :
apetrostone
apetrostone
01-02-2017
switch the second equation to equal y so...
y=-2x-3
then plug in for y in the first equation
2x+4(-2x-3)=6
2x-8x-12=6
-6x=18
x=-3
now plug in for y
2(-3)+y=-3
-6+y=-3
y=3
answer (-3,3)
Answer Link
VER TODAS LAS RESPUESTAS ( 49+ )
Otras preguntas
The curtain rises on an empty stage. It is late afternoon November, 1945. The rooms are dusty, the curtains in rags. Chairs and tables are overturned. The door
PLS ASAP Why does a coastal area have less variation in temperature than a noncoastal area? Tempe
what major problems did colonialism bring?
Adam has $2.15 in nickels, dimes and quarters in his pocket. If the number of dimes is 4 less than the number of nickels, and 5 more than the number of quarters
The second multiple choice question has C.39 or D.49
A triangle with area 10^2cm is dillated by a factor of 2 what is the area of the dillated image
In a financial crisis, the unemployment rates will likely be _____ and the number of bankruptcies will likely be _____. lower? lower?
How to get best grades in ielts exam?
Write the equation in slope-intercept form, of the line described. Has the same slope as the equation y=x+3 and y-intercept (0,-1)
Jacob has serveral babysitting jobs. On one job he earnefd $10 an hour plus an extra $20 since there where 3 children. On another job, he earned $15 an hour. He
