If we write where we see in the equation and set the result equal to , we get the result.
Answer:
7.2 2.7 0.7 0.07
Step-by-step explanation:
y = 4
We have,
5x + 3y = 12 ....(1)
and
-5x + 4y = 16 ....(2)
Adding equation (1) and (2),
0 + 7y = 28
or
7y = 28
Dividing both sides by 7,
So, the value of y = 4.