Algebra

1) 11x + 2y - 4x - y
2) 9x + 2y -5x
what i did in no. 2 is subtract 9 and 5 then add 2... please correct mw if i am wrong

2 answers

please ans
1)

11 x + 2 y - 4 x - y = ( 11 x - 4 x ) + ( 2 y - y ) = 7 x + y

2)

9 x + 2y - 5 x = ( 9 x - 5 x ) + 2 y = 4 x + 2 y