a) 5x + 2x = 6^2 - 5^0
7x = 35
x=5
b) 6x + x = 5^11 : 5^9 + 3^1
7x = 28
x=4
c) 5x + 3x = 3^6 : 3^3 *4 +12
8x = 120
x=15
a) 5x + 2x = 6^2 - 5^0
7x = 35
x=5
b) 6x + x = 5^11 : 5^9 + 3^1
7x = 28
x=4
c) 5x + 3x = 3^6 : 3^3 *4 +12
8x = 120
x=15
Tìm x
a) ( x + 7 ) - 25 = 135x + 2x =6^5 - 5^0
b) 5x + x = 150 : 2 + 3
c) 6x + x = 5^11 : 5^9 + 3^1
d) 5x + 3x = 3^6 : 3^3 . 4 + 12
\(a.6x+x=5^{11}:5^9+3^1\)
\(b.5x+3x=3^6:3^3.4+12\)
tìm x
a) 7x - 5 = 16
b) 156 -2x = 82
c) 10x + 65 = 125
d) 8x + 2x = 25.2
e) 15 + 5x = 40
f) 5x + 2x = 6 -5
g) 5x + x = 150 : 2 + 3
h) 6x + 3x = 5 : 5 + 3
i) 5x + 3x = 3 : 3 . 4 + 12
j) 4x + 2x = 68 - 2 :2
k) 5x + x = 39 - 3 : 3
l) 7x - x = 5 : 5 + 3.2 - 7
m) 7x -2 x = 6 : 6 + 44 : 11
n) 0 : x = 0
o) 3x = 9
p) 4x = 64
q) 2x = 16
r) 9x - 1 = 9
s) x4 = 16
t) 2x : 2 = 1
ai nhanh mk tick cho !!!!!!!
Tìm x :
a) 5x + 2x = 62 - 50
b) 5x + x = 150 : 2 + 3
c) 6x + x = 511 : 59 + 31
d) 5x + 3x = 36 : 33 x 4 + 12
e) 4x + 2x = 68 - 219 : 216
f) 5x + x = 39 - 311 : 39
g) 7x - x = 521 : 519 + 3 x 22 - 70
h) 7x - 2x = 617 : 615 + 44 : 11
Giúp mình nha ai nahnh mik tick
5x + 2x =62 - 50
5x + x = 150 : 2+ 3
6x + x = 511 : 59 - 31
5x + 3x = 36 ; 33 .4 +12
4x + 2x = 68 - 219 : 2 16
5x + x = 39 - 311 : 39
7x - x = 521 : 519 + 3. 22 - 70
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
a , 8x + 2x = 25 . 22
b , 5x + 2x = 35
c , 5x + x = 150 : 2 + 3
d , 6x + x = 511 : 59 + 31
e , 5x + 3x = 36 : 33 . 4 + 12
timx
a. 5x+3x bang 3 6 chia 3 3.4+12
b. 4x+2x bang 68-2 19 chia 2 16
c. 5x+x bang 39-3 11 chia 3 9
d. 7x-x bang 5 21 chia 5 19 +3.2 2-7 0
1 6x+x=511:59+31
2 5x+3x=36:33.4+12
3 4x+2x=68-219:216
4 5x+x=39-311