a) x + 2 3 = − 3 4 x = − 3 4 + 2 3 x = − 9 12 + 8 12 x = − 1 12
b) 5 4 − x = − 3 2 x = 5 4 − − 3 2 x = 5 4 + 6 4 x = 11 4
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tìm x biết
a , \(\dfrac{-3}{10}\)-(\(\dfrac{-1}{5}\) +x)=\(\dfrac{-3}{2}\)
b, -(-x+ \(\dfrac{3}{4}\))- \(\dfrac{12}{8}\).- \(\dfrac{32}{15}\)=- \(\dfrac{-1}{2}\)
c, \(\dfrac{x-3}{x+5}\)=\(\dfrac{4}{3}\)
tìm số nguyên x biết
a, 2x+1/3=x-5/2 b, 4(x-2) ^2/3=12
25/30=2x+3/6 -7/x+1=6/x+27
tìm các số nguyên x , biết
a, ( x+7) . (x-15)
b, 8x + (-7) . x = -33
c, -12 . ( x - 5) + 7 . (3 - x) = 5
d,(-2) . (x +1) - (x - 5) = -2x
e, (-2) . x + 5 = (-3) . (-3) + 8
g, -12x = 15.(-4) - 12
tìm x biết
a)x-\(\dfrac{3}{7}\)=\(\dfrac{2}{5}.\dfrac{1}{4}\)
b)x+\(\dfrac{4}{5}\)=\(\dfrac{-5}{12}\).\(\dfrac{3}{25}\)
c)\(\dfrac{x}{182}\)=\(\dfrac{-6}{12}\).\(\dfrac{35}{91}\)
Tìm x biếta, x+dfrac{7}{12}dfrac{-5}{6} b, (dfrac{2}{9}-x):dfrac{5}{6}dfrac{-4}{3} c, dfrac{-1}{2}dfrac{x-1}{6} d, dfrac{4}{5}:(dfrac{3}{5}x-dfrac{2}{3})dfrac{1}{5}
Đọc tiếp
Tìm x biết
a, x+\(\dfrac{7}{12}\)=\(\dfrac{-5}{6}\) b, (\(\dfrac{2}{9}\)-x):\(\dfrac{5}{6}\)=\(\dfrac{-4}{3}\) c, \(\dfrac{-1}{2}\)=\(\dfrac{x-1}{6}\) d, \(\dfrac{4}{5}\):(\(\dfrac{3}{5}\)x-\(\dfrac{2}{3}\))=\(\dfrac{1}{5}\)
Bài 1: Tìm x thuộc N, biết
a) x=x mũ 5
b)x mũ 4= x mũ 2
c)(x-1)mũ 3 = x-1
Bài 2: Tìm x
(2x -1) mũ 3= 1 mũ 3+ 2 mũ 3+3 mũ 3+ 4 mũ 3+ 5 mũ 3
1.Tìm x,biết
a.5/7+4/3:x=1/7
b.5/3xX-1/4=2/6
LK
21 tháng 1 2024 lúc 15:19
Tìm ,x,y,z,t biết
a,12/-6=x/5=-y/3=2/-17=-t/-9
b,-24/-6=x/3=4/y2=z3/-2
Bài 2:Tìm x biết
A, -\(\dfrac{13}{20}\)+x=-\(\dfrac{11}{15}\) B,( x-3,5):3\(\dfrac{1}{2}\)-2,5=-1\(\dfrac{3}{4}\)
tìm số nguyên x biết
a, x/2=8/x
b,x+1/5=x+1/5
c,x+1/5=x+3/10
d,x/4=18/x+1