Answer:
y = 7
Step-by-step explanation:
Answer:

Step-by-step explanation:
We are going to use the identity
because this identities right hand side matches your expression where
and
.
So we have that
is equal to
.
If she has three litres of fruit juice left, she can use nine liters of lemonade. She can make twelve more liters of punch
For the second batch the ratio of fruit juice to lemonade would be 3:12 or 1:4
Rewrite the equation;
3x-y=3
3x-3=y
Linear equation.
I'm unsure of what the second part asks. Can you rewrite the given question?