(Х+240)*3=1260 Х+(240*3)=1260 Х+240=1260*3

Question

(Х+240)*3=1260
Х+(240*3)=1260
Х+240=1260*3

Answer 1

(Х+240)*3=1260
х=240=1260:3
х+240=420
х=420-240
х=180

Х+(240*3)=1260
х+720=1260
х=1260-720
х=540

Х+240=1260*3
х+240=3780
х=3780-240
х=3540

Comments

пожалуйста помоги мне 1980:у:30=3, х*1200:60=8420, у:15=102*20