Решите пожалуйста 80-b=20-8 и с-12=63+14

Question

Решите пожалуйста 80-b=20-8
и с-12=63+14

Comments

с-12=63+14

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80-в=20-880-в=20-880-в=12в=80-12в=68

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с-12=63

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с-12=63+14с-12=63

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с-12=63+14с-12=77с=77+12с=89____________Ответ:89

Answer 1

80-b=20-8
80-b=12
b=68

Comments

c-12=63+14

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c=89