240-x=400:10 Помогите с уравнением

Question

240-x=400:10


Помогите с уравнением

Answer 1

240 - x= 400:10
240-x = 400:10
240-x= 40
x = 240-40
x =200
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240-200 = 40
40 = 40

Answer 2

400:10=200 х=240-40=200