Рещение уравнения x-20•7+120=3600:10

Question

Рещение уравнения x-20•7+120=3600:10

Answer 1

X-20*7+120=3600:10
x-140+120=360
x=360+140-120
x=380

Answer 2

Х-140=360-120
х-140=240
х=240+140
х=380