1)11*7х+21=х-3 2) 12*9+13у=35+26у 3) 13*8.32к-71+1.11к+1

Question

1)11*7х+21=х-3
2) 12*9+13у=35+26у
3) 13*8.32к-71+1.11к+1

Answer 1

1)77х+21=х-3
77х-х=-3-21
76х=-24
х=-24/76
x=-12/38
x=-6/19