Найдите неизвестное число а) 55 - (42 - x) = 35 б) (25 + x) - 32 = 15

Question

Найдите неизвестное число
а) 55 - (42 - x) = 35
б) (25 + x) - 32 = 15

Answer 1

42-x = 55-35=20
x=42-20=22

25+x=47
x=47-25=22

Comments

Х=35+42-5

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55-42+х=35*

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х=35+42-55

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Х=22

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25+х-32=15

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Х=15+32-25

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Х=22

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Ага)