exam Maths Puzzle Numerical Ability

what are the steps and some example. For Soling systems of equations. like
y+x=4
y=-4x+10

Read Solution (Total 0)

exam Other Question

The demand and supply equations for a certain item are given by:

D = 5p + 40
S = -p^2 + 30p - 8

Find the equilibrium price..... How do I find the price when I am not sure of the actual numbers? Thank you! Rewrite the equation as a function of x.
-3x+4y=11