(34+ x)-83=42 45-( x-16)=28

Question

(34+ x)-83=42 45-( x-16)=28

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Answer 1

Ответы: х=91 ; х=33 .

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Comments

Почему 33?

Answer 2

1.(34+х)-83=42
34+х-83=42
1х=-34+83+42
х=91:1
х=91
2.45-(х-16)=28
45-х-16=28
1х=-45+16+28
х=-1:1
х=-1