\(2\times x-12-x=\)\(0\)
\(\Leftrightarrow x\left(2-1\right)-12=0\)
\(\Leftrightarrow x-12=0\)
\(\Leftrightarrow x=12\)
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\(2\times x-12-x=\)\(0\)
\(\Leftrightarrow x\left(2-1\right)-12=0\)
\(\Leftrightarrow x-12=0\)
\(\Leftrightarrow x=12\)
tim x biet :2*x-12*x=0. cac ban oi giup minh giai cau nay voi
1, tim x
a, (3.x+4):12+17=19
b, 45: (2.x+1) -3=0
c, 36+72.(x-1)=396
d,470-(2.x+3).11=217
2*x+1/2*x+6*x+1/6*x+12*x+1/12*x+20*x+1/20*x=5.Tim x
( 32/46 x Y - 16/23 x 21/23) : ( 12/25 + 5/8 x 13/6 - 36/45 : 3 ) = 0
tim Y
(x + 2) + ( x + 4) + ( x + 6) + ( x + 8 ) + ( x + 10 ) + (X+ 12) = 192
Tim x
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x*(3-x)=0
(x+2)*(4*x-8)=0
(x+1)+(x+2)+(x+3)+...+(x+100)=5750
tim x
tim x
7+x/12=2/3 =
25-x/18 =1/2
tim x biet : 1/3 x X +2/5x (X+1)=0
tim x biet 7+x/12=2/3 b)25-x/18=1/2