Question

Znajdz "x"

1. {2 + x/7 - x} - x = 1/3

2. {1 + x/3} + {6 - x/2} = 2

Answer 1

1. {2 + x/7 - x} - x = 1/3
2 - 6/7x - x = 1/3
-13/7x=-5/3
x=35/39

2. {1 + x/3} + {6 - x/2} = 2
1+1/3x+6-1/2x=2
2/6x-3/6x=2-7
-1/6x=-5
x=30