Question

6x(4-3)+7x(5+6)=48-4x+69

Answer 1

6х(4-3)+7х(5+6)=48-4х+69
24х-18х+35х+42х=48-4х+69
24х-18х+35х+42х+4х=48+69
87х=117
х=117:87
х=117/87=1 30/87