Реши уравнения 3×(35-х)=63

Question

Реши уравнения 3×(35-х)=63

Answer 1

3 • ( 35 - x ) = 63
35 - x = 63 : 3
35 - x = 21
X = 35 - 21
X = 14

Answer 2

3х-105=63
3х=105+63
3х=168
х=168:3
х=56

Comments

не верно будит 14

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3x(35-x)=63

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105-3x=63

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-3x=63-105=-43:(-3)=14

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ответ: x=14