решите уравнение.(x+240)*3=1260;x+(240*3)=1260;x+240=1260*3

Question

решите уравнение.
(x+240)*3=1260;x+(240*3)=1260;x+240=1260*3

Answer 1

X+(240*3)=1260
3x+720=1260
3x=1260-720
3x=540
x=540/3
x=180

x+(240*3)=1260
x+720=1260
x=1260-720
x=540

x+240=1260*3
x=3780-240
x=3540

Comments

спасибо