8 (х-3) - 4 (5 х+2) = 5 х+19
8 х-8·3-4·5 х-4·2=5 х+19
8 х-24-20 х-8=5 х+19
8 х-20 х-5 х=19+24+8
-17 х=51
х=51: (-17)
х=-3
8 (х-3) - 4 (5 х+2) = 5 х+19
8 х-8·3-4·5 х-4·2=5 х+19
8 х-24-20 х-8=5 х+19
8 х-20 х-5 х=19+24+8
-17 х=51
х=51: (-17)
х=-3