Решите уравнение 6-4 (1-х)=2 (3х+4)
6-4+4х=6х+8 2+4х=6х+8 4х-6х=8-2 -2х=6 х=-6:2 х=-3 6-4(1-(-3))=2(3×(-3)+4) 6-4×4=2×(-9+4) 6-16=2×(-5) -10=-10