Question

3*(5х+1,5)=7х-43,5 как реш..

Answer 1

3*(5х+1.5)=7х-43.5
15х+4.5=7х-43.5
15х-7х=-43.5-4.5
8х=-48
х=-48:8
х=-6

Answer 2

3*5х+3*1,5=7х-43,5
15х+4,5=7х-43,5
15х-7х=-43,5-4,5
8х=-48
х=-48:6
х=-6