Решите уровнение 2/9 x = 0.8 ( 138 - x )

Question

Решите уровнение 2/9 x = 0.8 ( 138 - x )

Answer 1

2\9 x = 0.8 ( 138 -x )
 2\9x = 110.4 - 0.8x
2x = 9( 110.4 - 0.8x)
2x = 993.6 - 7.2x
9.2x = 993.6
x = 108