Question

х+хдробь5=-12дробь-5

Answer 1

Решение в фото
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Answer 2

x +x/5 = -12/-5

(5x +x)/5 =12/5

6x/5 -12/5 =0

(6x -12)/5 =0

6x -12 =0

6x =12

x =12 : 6

x =2

ответ: x =2