SOLUTION: solve the linear equation by using the most convenient method between substitution and elimination. 3x+4y=2 0.6x+0.8y=1.6

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: solve the linear equation by using the most convenient method between substitution and elimination. 3x+4y=2 0.6x+0.8y=1.6      Log On


   

Question 134455: solve the linear equation by using the most convenient method between substitution and elimination.
3x+4y=2
0.6x+0.8y=1.6
Answer by vleith(2983) About Me  (Show Source):
You can put this solution on YOUR website!
Use elimination.
3x%2B4y=2
0.6x%2B0.8y=1.6
Multiply to second equation by 5
3x%2B4y=9
Subtracting the second from the first yields 0 = -7. This is never true, so the equations can;t be solved.