Solve the simultaneous equation y-2x+1=0 and 4x^2+3y^2-2xy=7

The first equation is

(Equation 1)

The second equation is (Equation 2)

Putting the value of x from equation 1 in equation 2.

we get,

by simplifying the given equation,

Using discriminant formula,

Now the formula for solution 'x' of quadratic equation is given by:

Hence, these are the required solutions.

  or  

step-by-step explanation:

if the four friends split the cost, p, of the pizza evenly, then each friend pays one-fourth of the cost of the pizza.

the expression is   or