Question

Решите уравнение.
6(-2-х)+8х=9

Answer 1

6(-2-x)+8x=9
-12-6x+8x=9
-6x+8x=9+12
2x=21
x=10,5

Answer 2

6(-2-х)+8х=9
-12-6x+8x=9
-12+2x=9
2x=9+12
2x=21
x=21/2