Question

решите уравнение.50(18-х)+8(х+18)=3(18-х)(х+18)

Answer 1

50(18 - x) + 8(x + 18) = 3(18 - x)(18 + x)
(50 - 8)(18 + x) = 3(18 - x)(18 + x)
50 - 8 = 3(18 - x)
54 - 3x = 48
48 + 3x = 54
3x = 6
x = 2