11*x - 6 = 4*x + 11
11*x - 4*x = 11 + 6
x* (11 - 4 ) = 17
x * 7 = 17
x = 17/7
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tìm x :
11 x (6-x) - 4 x X= 11
11 x ( X - 6 ) = 4 x X + 11
11 x (X - 6) =(4 x X)+11
11*{ X-6 } = { 4 * X } +11. tìm X
11×(x-6)=4×x+11
11*(x-6)=4*x+11
a,\(\dfrac{1}{7}\text{x}\dfrac{2}{7}+\dfrac{1}{7}\text{x}\dfrac{5}{7}+\dfrac{6}{7}\) b,\(\dfrac{6}{11}\text{x}\dfrac{4}{9}+\dfrac{6}{11}\text{x}\dfrac{7}{9}-\dfrac{6}{11}\text{x}\dfrac{2}{9}\)
c, \(\dfrac{4}{25}\text{x}\dfrac{5}{8}\text{x}\dfrac{25}{4}\text{x}24\)
a, x.2 + x.5 14 b, x.9 + x 20
c, x: dfrac{3}{2} + x.dfrac{1}{3} 1999 d,11.(x+2) 5.x + 40
e, 11.(x-6) 4.x + 11 f, (3.x - 4) : x + 10 12
g, (5.x + 7) : x + 20 26 h, x.1999 - x 1999.1997 + 1999
***dấu chấm(.) dấu nhân(x)***
Đọc tiếp
a, x.2 + x.5 = 14 b, x.9 + x = 20
c, x: \(\dfrac{3}{2}\) + x.\(\dfrac{1}{3}\) = 1999 d,11.(x+2) = 5.x + 40
e, 11.(x-6) = 4.x + 11 f, (3.x - 4) : x + 10 = 12
g, (5.x + 7) : x + 20 = 26 h, x.1999 - x = 1999.1997 + 1999
***dấu chấm(.) = dấu nhân(x)***
11*(x-6)-4*x=11