3x+y=17
=> 3x=17-y
Again, x+3y=-1
=> 3y= -1-x
now, 3x+3y= (17-y)+(-1-x)
= 17-y-1-x
= 16-x-y
X = 0.6x + 384 |subtract 0.6x from both sides
0.4x = 384 |divide both sides by 0.4
x = 960
Answer:
where is link
Step-by-step explanation:
Answer:
I think the answer is 70
Step-by-step explanation:
40 + 15 = 55 and when you add 15 to 55 you get 70 but this might not be right!
