Problem 620

Solve by the elimination method   4x-5y=67………………(1) 7y=-25-3x………………(2)   What is the solution of the system?   Solution:-   Multiply equation 1 by 3  and   and multiply equation 2 by…

Problem 617

Solve by the elimination method. 2x+2y=-4….(1) -2x+y=13…(2)   Solution:-    Add equation 1 and 2 2x+2y-2x+y=-4+13 3y=9 Y=9/3 Y=3 Put this value in equation 1 2x+2(3)=-4 2x=-4-6 2x=-10 X=-5