Помогите180-x=100x-17=40x+24=50

Question

Помогите
180-x=100
x-17=40
x+24=50

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Answer 1

1) 180-х=100
х=180-100
х=80
2)х-17=40
х=40+17
х=57
3)х+24=50
×=50-24
х=26

Answer 2

180-x=100
x= 180-100
x=80

x-17=40
x=40+17
x=57

x+24=50
x= 50-24
x=26