Y=6x (1)
y=5x-7 (2)
Substitute y into (2)
(6x)=5x-7 -- subtract 5x from both sides
x=-7
Sub x into 1
y=6(-7)
y=-42
x=-7
y=-42
Answer:
Na20+H20 -> 2NaOH
Step-by-step explanation:
28 because 1/4th of 28 is equal to 7
It may be B . Or it may even be wrong
1.4,6,8
2.3,7,1 that how you get your answer