реши уравнения с проверкой​

96 : 4 + × = 257

24 + × = 257

× = 257 - 24

×= 233

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96 : 4 + 233 = 257

257 =257

147 : 7 •× = 210

21 • × = 210

× = 210 : 21

× = 10

________

147 : 7 •10 = 210

210=210

× - 95 : 5 = 800

× - 19 = 800

× = 800 + 19

× = 819

_________

819 - 95 : 5 = 800

800= 800

84 : 6 • × = 140

14 • × = 140

× = 140 : 14

× = 10

___________

84 : 6 •10 = 140

140 = 140