х+5(2-4х)=29
х+10-20х=29
-19х=19
х=-1
Ответ:
х-20х=29-10
х=19:(-19)
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х+5(2-4х)=29
х+10-20х=29
-19х=19
х=-1
Ответ:
х+5(2-4х)=29
х+10-20х=29
х-20х=29-10
-19х=19
х=19:(-19)
х=-1