Các câu hỏi tương tự
Bài 1:Tìm x
a) 5x+x=39-3^11:3^9
b) 7x-x=5^21:5^19+3.2^2-7^0
c) 7x-2x =6^17:6^15+44:11
Tìm x
a) 315 + (146 -x ) =401
b) (6x - 39 ) : 3 =201
c) 7x - x = 5 mũ 21 :5 mũ 19 + 3.2 mũ 2 - 70
d) 7x - 2x = 617 : 615 +44 :11
e) 0 :x = 0
f) 3 mũ x = 9
g) 9 mũ x -1 = 9
h) (2x +1 ) mux3 = 125
i) 2 mũ x - 15 =17
k) (7x - 11 )mũ 3 = 25 . 5 mũ 2 +200
l) 3 mũ x + 25 = 26. 2 mũ 2 + 2 . 3 mũ 0
m) 5 .2 mũ x + 4 .2 mũ x = 18 . 2 mũ 5
a) 5x + 3x = 36 : 33.4 + 12
4x + 2x = 68 – 219 : 216
a) 5x + x = 39 – 311:39
b) 7x – x = 521 : 519 + 3.22 - 70
c) 7x – 2x = 617: 615 + 44 : 11
a) 5x + 3x = 36 : 33.4 + 12
4x + 2x = 68 – 219 : 216
a) 5x + x = 39 – 311:39
b) 7x – x = 521 : 519 + 3.22 - 70
c) 7x – 2x = 617: 615 + 44 : 11
a, ( x - 2 )² - 11 = 25
b, 3 . | x - 4 | - 12 = 6
c, 7x³ - 12 = 44
d, ( x - 7 ) . ( x + 2 ) = 0
tìm x, biết:
a, 5x + x = 39-311:39
b, 7x - x = 521:519+3.22-70
c, 7x - 2x = 617:615+44:11
A) 78-2x=42
B)6x+39=75
C) 2^3.x+ 2.x=25.2^2
D) 21+7x = 56
E) 5x +2x = 6^2-5^0
F)15x + 3x = 450 : 2+9
G) 6x+x=5^11: 5^9+3^1
H) 5x + 3x=3^11: 3^8.4+12
i) 2^3.x + 2^2.x =136-2^20 : 2^16
j) 7x -x= 5^21: 5^19+3.2^2
k) 7x - 2x= 6^17: 6^15 + 44 :11
l) 0: x =0 m) 3^x=27 n) 4^x= 64
o) 2^x = 32 p) 9^x-1=81 q) x^4=16
r) 3^x :3^
p) 9^x-1=81
q) x^4=165=1
Tìm x:
7x - x =521: 519+3.22- 707x -2x=617: 615 + 44:115x + x=39- 311:39Hepl me
a, 5x+x=39-311 :39
b,7x-x=521:519+3x22-70
c,7x-2x=617:615+44:11