58 - ( x + 34 ) = 15
x + 34 = 58 - 15 = 43
x = 43 - 34 = 9
18 + 24x = 50
24x = 50 - 18 = 32
x = 32 : 24
x = 4/3
58 - ( x + 34 ) = 15
x + 34 = 58 - 15 = 43
x = 43 - 34 = 9
18 + 24x = 50
24x = 50 - 18 = 32
x = 32 : 24
x = 4/3
18x-18=0 (tìm x) x_x
17(x-15)=0(tìm x) x_x
(x-42)-17=127 (tìm x) x_x
23(x+1)=69(tìm x)x_x
2.x+5=120:2(tìm x) x_x
5.x-2=613(tìm x) x_x
(15+x)-24=246 (tìm x) x_x (298-x)-42=252(tìm x)x_x
2.x+13=35 (tìm x)x_x
Tìm x ∈ Z biết 5 6 + − 7 8 ≤ x 24 ≤ − 5 12 + 5 8
A. x∈{0;1;2;3;4}
B. x∈{−1;0;1;2;3;4;5}
C. x∈{−1;0;1;2;3;4}
D. x∈{0;1;2;3;4;5}
Tìm x ∈ Z, biết:
b) - 7 8 + 5 6 < x 24 ≤ 5 8 + - 5 12
Tìm x ∈ Z, biết:
a ) - 5 19 + 3 19 < x 19 ≤ 13 19 + - 11 19 b ) - 7 8 + 5 6 < x 24 ≤ 5 8 + - 5 12
Tìm x ∈ ℤ ,biết:
a ) 3 8 + − 11 8 < x < 22 9 + 5 18 ; b ) − 7 8 + 5 6 < x 24 < 2 3 + − 5 8 ; c ) 1 3 + 1 4 + 1 12 ≤ x ≤ 7 10 + 27 6 ; d ) − 31 14 + 115 161 + 111 74 < x ≤ 6 36 + 9 27 + 48 96
Tìm x
(x-34).15=0 18.(x-16)=18