Question

Tìm x biết:

a ) | x | = 1 5 + 3 4 ; b ) | x − 5 | = − − 5 3 + 1 4 ;

c ) x − 1 4 = 3 2 + 1 3 − 7 6 ; d ) x − 4 3 = 1 6 + 5 3 − 1 2 + 7 12 .

Answer 1

a ) x = 19 20 x = 19 20 b ) x = 83 12 x = − 37 12

c ) x = 31 12 x = − 25 12 d ) x = 13 4 x = − 7 12