Systems Of Equations With Substitution 9x 3y 15 Y X 5 Video Khan Academy
124y3y=8 12y=8 y=128 y=4 #3 3xy=1 x=2y5 sol let, 3xy=1 eq(i) x=2y5 eq(ii) substitute the value of x from eq(ii) in eq(i), then eq(i)will be 3(2y5)y=1 6y15y=1 7y15=1Step 1 Solve one of the equations for either x = or y = We will solve second equation for y Step 2 Substitute the solution from step 1 into the second equation Step 3 Solve this new equation
