How do solve the following linear system?: # x+2y=1 , -2x -8y = 4 #?
Reduce the second equation by dividing all terms by
Multiply all terms by
In this equation, substitute
Divide both sides by
In the first equation, substitute
Open the brackets and simplify.
Substitute #y= -6/4,x=4 in------1
multiply both sides by 4