Пж 5x+1+5=x ------ 7

Question

Пж 5x+1+5=x
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7

Answer 1

(5x+1)/7 + 5 = x
5x+1/7 = x - 5
5x+1 = 7x - 35
7x-5x = 1 + 35
2x = 36
x = 12
Ответ: x = 12