раскроем скобки. 28х-42-5х-20=6х+10+5х
23х - 62 =11х + 10
23х - 11х = 10 + 62
12х = 72. х=72:12. х = 6.
раскроем скобки. 28х-42-5х-20=6х+10+5х
23х - 62 =11х + 10
23х - 11х = 10 + 62
12х = 72. х=72:12. х = 6.