(x+240)×3-360=540 уравнение

Question

(x+240)×3-360=540 уравнение

Answer 1

180=(х+240)*3
Х+240=60
Х=-180

Answer 2

(X+240)*3=540+360
(X+240)*3=900
X+240=900:3
X+240=300
X=300-240
X=60