Question

Помогите решить методом замены (((

Answer 1

$8x + 49x + 7x + 2 = 0 \ 64x + 2 = 0 \ 64x = 0 - 2 \ 64 x = - 2 \64 x = 2 \ x = 64 div 2 \ x = 32$
х=32