Пошаговое объяснение:
1)х+5(2-4х)=29
х+10-20х=29
-19х+10=29
-19х=29-10
-19х=19
х= -1
2) х+6(3+3х)=35
х+18+18х=35
19х+18=35
19х=35-18
19х=17
х=17/19
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Пошаговое объяснение:
1)х+5(2-4х)=29
х+10-20х=29
-19х+10=29
-19х=29-10
-19х=19
х= -1
2) х+6(3+3х)=35
х+18+18х=35
19х+18=35
19х=35-18
19х=17
х=17/19