X y 5 2 x minus 3 y is equal to 4 July 8, 2019 16 32 64 128 3 x minus 5 y is equal to 4 2 y + 7 is equal to 9 x 3 x 2 y is equal to 12 5 x minus 2 y is equal to 4 X + y is equal to 5 2 x minus 3y is equal to 4 by substitution method X+y 2 5+z xy
