3. Решите уравнение 10 – 3(х – 3) = 27 + х.

Question

3. Решите уравнение 10 – 3(х – 3) = 27 + х.

Answer 1

10-3(х-3)=27+х
10-3х+9=27+х
-4х=8
   х=-2

Answer 2

10 – 3(х – 3) = 27 + х;
10-3x+9-27-x=0;
4x+8=0;
x=-8/4;
x=-2;