Question

1+8(3х+7)=9 решите пожалуйста

Answer 1

1 + 8 * (3х + 7) = 9;
1 + 24х + 56 = 9;
24х = 9 - 1 - 56;
24х = -48;
х = -48 : 24;
х = -2.

Answer 2

1+24х+56=9
24х=9-1-56
24х=-48
х=-48:24
х=-2
1+8(3*(-2)+7)=9
1+8=9
9=9