Question

решите уравнение a) -6x9(x+2)=4x-17; б)(18x-19)-(4-7x)=-73; в)10x+3(7-2x)=13+2x;
г)-3(4-5y)+2(3-6y)=-39

Answer 1

1)-6*9(х+2)= 4х-17
-54(х+2) = 4х-17
-54х-108= 4х-17
-54х-4х=-17+108
-58х=91
х=91/58
2) -18х-19-4-7х=-73
25х=-50
х=-2