а) 98х-87х=594
11х=594
х=594/11
х=54
б) 23х-12х+6х+5=90
23x – 12x + 6x = 90 – 5
17x = 85
x = 5
в) (16х-10х+3)*4=132
раскроем скобки
64x-40x+12 = 132
24x-120 = 0
24x = 120
а) 98х-87х=594
11х=594
х=594/11
х=54
б) 23х-12х+6х+5=90
23x – 12x + 6x = 90 – 5
17x = 85
x = 5
в) (16х-10х+3)*4=132
раскроем скобки
64x-40x+12 = 132
24x-120 = 0
24x = 120
x = 5