exam Maths Puzzle Numerical Ability

Solving Systems of Equations in Three Variables.
2r+s+t=14
-r+-3s+2s=-2
4r-6s+3s=-5
How do i get to the two systems of the equation using elimanation and to find the first variable?

Read Solution (Total 0)

exam Other Question

Can you think of a real life situation where a straight-line graph might be applicable and why you think it might be true? Think about a real life situation that follows a linear x-y=-5
x=3y=3 couldyou please help me understand how to solve this problem?