How do you solve #5x - y = -9# and #y + 2x = 2#?
1 Answer
The solution is
Explanation:
Solve the linear system:
I am going to solve the system by elimination and substitution.
Rearrange Equation 2 to standard form:
Multiply Equation 2 by
Add Equation 1 and Equation 2.
Divide both sides by
Substitute
Multiply both sides by
Add
Simplify
Divide both sides by
graph{(5x-y+9)(-2x+y+2)=0 [-12.795, 9.705, -15.865, -4.615]}