4x-28=-10y -3x+36=-7y solve system by elimination

Question

solve each system by elimination

Answer 1

 4X - 28 = -10Y

-3x + 36 = -7Y

 

 3 ( 4X + 10y = 28 )

 4 (-3X + 7y = - 36 )

    58 Y = -60

 

     Y = - 30/29

 

 

    4X = 28 - 10 ( -30/29)

     

    X = 9 17/29