1/2(4Х-2)=-7 плиз помогите)))

Question

1/2(4Х-2)=-7 плиз помогите)))

Answer 1

1/2*4х-1/2*2=-7;
сокращаем 1/2 и 4х на два и 1/2 и 2 на два.
2х-1=-7;
2х=-7+1;
2х=-6;
х=-3