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6x + x = 511 : 59 + 31
x . ( 6 + 1 ) = 52 + 3
x . 7 = 25 + 3
x . 7 = 28
x = 28 : 7
x = 4
Vậy x = 4
6x+x=511:59+31
7x=25+3
7x=28
x=28:7
x=4
vậy: x=4
tìm x biết : 6x=511: 59 +31-x
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
Tìm x biết
a) 5x+2x=6^2-5^0
b)6x+x=5^11:5^9+3^1
c)5x+3x=3^6:3^3.4+12
6x+x= 5^11: 5^9 +3^1
1. 5x + x = 39 - 3 mũ 11 : 3 mũ 9.
2. 5x + x = 150 : 2 + 3.
3. 7x - x = 5 mũ 21 : 5 mũ 19 + 3 . 2 mũ 2 - 1
4. 6x + x = 5 mũ 11 : 5 mũ 9 + 3
1)5x+2(x+1/2)=7
2)8x-3(x+2)=9
3)5(x-2)+3(x-1)=19
4)7(x-3)-2x-5=11
5)6x+3-2(x-5)=30
6)8(x-1/8)-5(x-1/5)=10
7)13x-5-2(x+3)=1
8)4(x-2)-2(x-1)=12
9)6x-13-2-(x×5)=7
10)7(x-5)-3(x+5)=30
Tìm x, biết:
\(6x+x=5^{11}\div5^9+3^1\)
1. 6x+x=5^11:5^9+3
2. 7x-x=5^21:5^19+3x4-1
3. 7x-2x=6^17:6^15+44:11
h) 6x+x=511:59-31