Question

решите уравнение 1) 3 (х-8)/5+7 (х+5)/6=4 (7х+1,5)/15+1/3

Answer 1

6*3(х-8)+5*7(х+5)=2*4(7х+1,5)+10;
15х-144+35х+175=56х+12+10;
18х+35х-56х=10+12-175+144;
-3х=-9
х=3