Question

5t+30-12t=42
36*(x-3)=10-2*(X+2)

Answer 1

5t+30-12t=42; -7t=12;7t=-12; t=12/7;t=1целая 5/7

36х-108=10-2х+4; 36х+2х=108+10+4; 38х= 122; х=122/38
х= 3 целых 8/38
х= 3 целых 4/19