4x - y = 5 --> 4x = y + 5
substitute
4x + 4y = -4
(y + 5) + 4y = -4
5y + 5 = -4
5y = -9
y = -1.8
solve x
4x = y + 5 = -1.8 + 5 = 3.2
x = 3.2/4 = 0.8
Answer:
76 mL
Step-by-step explanation:
40*19/10
40*19= 760 / 10 = 76mL
123/0.75 =164
the answer is 164
Answer:
82 .
Step-by-step explanation:
9x 10 = 90 then 90-8 = 82 that how many spaces are filled .
It would be 5%. I know the answer is right I just don’t know how to explain it. Sry. But I hope this helps.
