1. If 3X + Y =P and X+Y=Q, what is X in terms of P and Q?
1 answer:
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Answer:
Step-by-step explanation:
The given expression is
We will rewrite the expression
When we add the fraction
=
= 8
While Andre says the answer is
because Andre added the denominator where he has to make a common denominator that should be 4 instead of 8.
Andre made mistake in this step
Picture is given below :
Answer:
<h2>x = 2</h2>Step-by-step explanation:
To find , we need to solve the equation
Where and
.
Replacing expressions, we have
Now, we can find the value of each expression.