11х-(7х-(3х+м)) решите)

Question

11х-(7х-(3х+м)) решите)

Answer 1

11x-(7x-(3x+m))

11x-(7x-3x-m)

11x-(4x-m)

11x-4x+m

7x+m

Answer 2

11х-(7х+(3х-м))=11х-7х+3х-м=
=7х-м