X y 4 2x 1 5y July 8, 2019 16 32 64 128 X y 4 2x 5y 1 simultaneous equation X y 4 2x 5y 1 elimination method X y 4 2x 5y 1 answer Solve x y 4 2x 5y 1 Xy 4 2x 5y 1 substitution method answer Solve the following simultaneous equation x y 4 2x 5y 1 X y 1 3 4 7 maka 2x 5y
