Плиз хны, хны 囧囧囧o_O

Question

Плиз хны, хны
囧囧囧o_O

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Answer 1

3(х+6)-23=16
3х+18-23=16
3х=16-18+23
3х=21
х=21:3
х=7

Answer 2

3*(x+6)=23+16
3*(x+6)=39
x+6=39:3
x+6=13
x=13-6
x=7