1) (x+6y)-(8x-7y) 2) (m+3)-(6m+5)-(m-1) 3) (0,2x-3)-(x-2)-(0,4x-1)

Question

1) (x+6y)-(8x-7y)
2) (m+3)-(6m+5)-(m-1)
3) (0,2x-3)-(x-2)-(0,4x-1)

Answer 1

1) х+6у-8х+7у=-7х+13у
2) m+3-6m-5-m+1 =-6m-1
3) 0.2x-3-x+2-0.4x+1=
-1.2x+0