freita
freita
27-10-2020
Mathematics
contestada
How do you do
3x-5y=-2
x+3y=4
Please show work
Respuesta :
dionisiamarin55
dionisiamarin55
27-10-2020
3x-5y=-2
-3(x+3y=4)
You multiply the whole equation by three so you can cancel out the three x
3x-5y=-2
-3x-9y=-12
Now you can cancel out the 3x
-5y=-2
-9y=-12
Now add them together
-14y=-14
So y=1
Answer Link
VER TODAS LAS RESPUESTAS ( 17+ )
Otras preguntas
What are some of the innovations that the light bulb has undergone since its original invention?
Simplify. 12x • 3x 15x 15x2 36x
ASKING FOR A FRIEND IN NEED... Please help me ;( 2 1/2x - 3/4 (2x+5) = 3/8 x=?
In a science experience a plant grew 3/4 inch one week and 1/2 inch the next week. Use a common denominator to write an equivalent fraction for each fraction.
When dave, a restaurant owner, had his seafood business destroyed by hurricane katrina, he believed that he was in control of his own destiny and made a decisio
Simplify. 8r(4 - p) 32r -p 32r - 8rp 32 - rp 4 - 8rp
Which situation demonstrates meeting the goal of efficiency?
Which of the following is true about writing? Select one: a. It is a process: a series of activities that take some effort to do well. b. You can manage the wr
Elena : My friends are the United States also (also) . ____________________ They're from California. a.Theyc.Yourb.USd.You
A dime has the same value as 10 pennies. Marley brought 290 penniesto the bank. How many dimes did marley get?
