How do you solve the simultaneous equations #x(y-1)=3# and #y=x-1#?
One way is to use the method of elimination.
Step 1. Enter the equations.
Step 2. Solve for one variable in terms of the other.
Since this is already done for us, we can go on to the next step.
Step 3. Substitute Equation 2 in Equation 1 and solve for
Step 4. Substitute each value of
Check: Substitute the values of
Check No. 1: (
Check No. 2: (
Our solutions are correct.