How do you solve the simultaneous equations #4x + 3y = 9# and #3x - y = 10#?
One way is to use the method of elimination.
Step 1. Enter the equations.
Step 2. Prepare the equations.
Multiply each equation by numbers that give one variable the same coefficient in each equation.
Multiply Equation 2 by
Step 2. Add Equations 1 and 3.
Step 3. Substitute Equation 3 in Equation 2.
Check: Substitute the values of