Помогите !!!!!!!!!!!!!!!!!!!!! Дам много балов !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

1.  ( y - 32,6) * 2,4 = 17,0162.4y - 78,24 = 17,0162,4y = 17,016 + 78,242,4y = 95,256y = 95,256 / 2,4y = 39,69

исходные не пишу2,4у-78,24=17,0162,4у=17,016+78,242,4у=95,256у=95,256:2,4у=39,696,12-1,7х=0,442-1,7х=0,442-6,12-1,7х=-5,678х=(-5,678):(-1,7)х=3,34