8x + y = -16 ;
3x - y = 5 ;
____________(+)
11x = -11;
x = - 11 / 11 ;
x = - 1;
y = -5 + 3 * ( - 1 ) = - 8.
Answer:
i cant see the choices but i think this is khan academy
Step-by-step explanation:
A.
By using distributive property you can figure out all the answers.
A: 4*3a, 4*2= 12a + 8
B: 4*3a, 4*8= 12a + 32
C: 6*6a, 6*2= 36a + 12
D: 6*6a, 6*8= 36a + 48
Answer: I think its 81 but i'm not that sure.
Step-by-step explanation:
Same with me people these days lol but it wasn't a science question
In American: I have to buy pencils and pens. If I buy seven pencils and three pens, I'll spend $ 16.50. If I buy five pencils and four pens, I'll spend $ 15.50. What is the price of each pencil and pen?
Idk the answer
