32 A) 71 – (33 + X) = 26 F) 140

Bài 8: Tìm x, biết:

e) 2x – 49 =5.3

a) 71 – (33 + x) = 26

f) 140 : (x – 8) = 7

b) (x + 73) – 26 = 76

c) 89 – (73 – x) = 20

g) 135 – 5(x + 4) = 35

d) 5(x – 9) = 350

h)[12 + (x – 3)] : 3 = 5

- 2

i) 5

- 2. 5

= 5

. 3 k)  ^{5 x  2 .6} 

^{ 3.6}