\(\text{ 11x − 3x = 60 + 2x}\).
\(\Leftrightarrow\) \(8x-2x=60.\Leftrightarrow6x=60.\Leftrightarrow x=10.\)
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\(\text{ 11x − 3x = 60 + 2x}\).
\(\Leftrightarrow\) \(8x-2x=60.\Leftrightarrow6x=60.\Leftrightarrow x=10.\)
1/2x-1/3x=-1/3
a) (x – 5)(2x -32) = 0
b) 2(3x – 15)(5 – x) = 0
giúp em với
3x+3x+2+3x+3=35.37
a) (88 + 820) ⋮ 17
b) A= 2 + 22 + 23 + 24 + ....... + 260 ⋮ 2,3,7,15
3x.3x+1.18=486
3x+1+3x.5=216
3x+4+3x+2=270
Tìm số tự nhiên x
a)54 : (2x - 1)2 =25
b)173.x =174
c)(2x + 1)3 : 49 =7
282014:72014:60