tìm x : 12 + x = 34
Tìm x, biết:
a ) | x | − 1 2 = 3 4 ; b ) x − 1 2 = 1 c ) x − 1 2 − 3 4 = 1 4 ; d ) 1 20 − 3 2 − x = 1 40 e ) x + 1 3 2 − 4 9 = 0 f ) x + 1 3 2 + 4 9 = 8 9
a ) x = 5 4 x = − 5 4 b ) x = 3 2 x = − 1 2 c ) x = 3 2 x = − 1 2
d ) x = 59 40 x = 61 40 e ) x = 1 3 x = − 1 f ) x = 1 3 x = − 1
Tìm x
X × 12 = 150 × 2 3 4 ÷ x = 1 2
Tìm x, biết
a) x − 2 5 : 2 3 = 3 4
b) x + − 3 4 − 1 2 = 2 3 . 3 5
c) x − 2 7 = − 9 14 . − 4 3
a ) x − 2 5 : 2 3 = 3 4 x − 2 5 = 3 4 . 2 3 x − 2 5 = 1 2 x = 9 10
b ) x + − 3 4 − 1 2 = 2 3 . 3 5 x + − 3 4 − 1 2 = 2 5 x + − 3 4 = 9 10 x = 33 20
c ) x − 2 7 = − 9 14 . − 4 3 x − 2 7 = 6 7 +) x − 2 7 = 6 7 x = 8 7 +) x − 2 7 = − 6 7 x = − 4 7
Tìm x, biết:
a ) 2 | x | + 1 2 = 2 b ) x + 1 2 − 1 6 = 1 c ) 1 4 − x +5 1 8 = 6 1 8 d ) 9 2 − x − 3 4 = − 1 2
a ) x ∈ − 3 4 ; 3 4 b ) x ∈ 2 3 ; − 5 3 ; c ) x ∈ − 3 4 ; 5 4 d ) x ∈ 23 4 ; − 17 4
Tìm x: x − 3 4 = 1 2
x − 3 4 = 1 2 x = 3 4 + 1 2 x = 3 + 2 4 x = 5 4
Tìm x: x - 3 4 = 1 2
Tìm x
3 4 : X = 1 2
Tìm x:
x - 3 4 = 1 2
Tìm số nguyên x, biết:
4 1 3 . 1 6 - 1 2 ≤ x ≤ 2 3 . 1 3 - 1 2 - 3 4
tìm x biết :
a) 12+x=34
b) 23+x=34
c)45+34=x
d)/5x+3/-x=7
a) 12+x=34
x=34-12
x=22
b) 23+x=34
x=34-23
x=11
c)45+34=79
a, 12 + x = 34
x = 34 - 12
x = 22
b, 23 + x = 34
x = 34 - 23
x = 11
c, 45 + 34 = x
x = 79
a) 12+x=34
x=34-12
x=22
b) 23+x=34
x=34-23
x=11
c) 45+23=x
68=x
x=68