exam Maths Puzzle Numerical Ability

x=3y+7
x+y=-5

Read Solution (Total 0)

exam Other Question

What is the value of k for which the system:

(r^2)+(s^2)=t,
r+s+t=k

has exactly one solution (r,s,t)?
Total- value and Mixture Problems. systems of equations can be useful tool in solving applied problems. Using sysytems often makes the Translate steps easier then using a single eq