Question

Como resolver :

X-5 /6 - 2(1 -X /3) = 0

e

3(3 - x) + x = 2

Answer 1

a) x - 5 / 6 - 2 ( 1 - x / 3 ) = 0

x - 5 / 6 - 2 + 2x / 3 = 0

x - 5 - 4 + 4x = 0

x + 4x = 5 + 4

5x = 9

5x = 9

x = 9/5

b) 3 (3 - x) + x = 2

9 - 3x + x = 2

- 3x + x = 2 - 9

- 2x = -7 *(-1)

2x = 7

x = 7/2