8(3х+5)-5*(2-9х) решите

Question

8(3х+5)-5*(2-9х) решите

Answer 1

8 (3х+5)-5×(2-9х)
24х+40-10+45х
24х+45х=10-40
69х= -30
х= -30:69
х= -0,4
8 (3×-0,4+5)-5×(2-9×-0,4)
8 (-1,2+5)-5×(2+3,6)
30,4-28=2,4