Question

x+75=2075



x*8=720



x-80=360



56:x=56



90-x=90

Answer 1

х+75=2075
х=2075-75
х=2000

х*8=720
х=720:8
х=90

х-80=360
х=80+360
х=440

56:х=56
х=56:56
х=1

90-х=90
х=90-90
х=0