Question

3x+3y=-9
3x=3y=21

Answer 1

Are you sure you wrote this problem correctly?

Answer 2

?????????

Answer 3

hold on i can retype it

Answer 4

okie dokie

Answer 5

solve the system using elimination

3x+3y=-9
3x-3y=21

a= 3,-6
b= -5,2
c= 3,3
d=2,-5

Answer 6

3x+3y=-9
3x-3y=21
____________ If you understand elimination, you should know when the signs are different they and they contain the same number,they cancel each other out...so y's are cancel
6x=12
x=2
now substitute 2 in for x in the original problem.. doesn't matter which one, but ill use the top
3(2)+3y=-9
6+3y=-9
-6 -6
_______
3y=-15
y=-5
(2,-5) is your coordinates

Answer 7

thank you so much

Answer 8

No problem!!

Answer 9

can you do a similatr one for me again

Answer 10

I can help you

Answer 11

use the system of elimination
-2x+4y=22
-6x+3y=21

a -3
B 2
C 6