x + 22 = 45 x - 45 = 23
x = 45 - 22 x = 45 + 23
x = 23 x = 68
x + 22 = 45
x = 45 - 22
x = 23
x - 45 = 23
x = 23 + 45
x = 68
x + 22 = 45
x = 45 - 22
x = 23
x - 45 = 23
x = 23 + 45
x = 68
x + 22 = 45
x = 45 - 22
x = 23
Vậy x = 23
x - 45 = 23
x = 23 + 45
x = 68
Vậy x = 68
x + 22= 45
x= 45 - 22
x= 23
x- 45 = 23
x= 45-23
x= 22
x + 22 = 45
x = 45 - 22
x = 23
x - 45 = 23
x = 23 + 45
x = 68
x+22=45
x =45-22
x =23.
x-45=23
x =23+45
x =68.
x + 22 = 45
x = 45 - 22
x =23
x - 45 = 23
x = 23 + 45
x = 68
k nha bn
X+22=45
X=45-22
X=23
X-23=45
X=45+23
X=68
a, x + 22 = 45
=> x = 45 - 22
=> x = 23
Vây x = 23
b, x - 45 = 23
=> x = 23 + 45
=> x = 68
Vậy x = 68
.x+22=45
x =45-22
x = 23
.x-45=23
x =23+45
x = 68
x+22=45
x=45-22
x = 23
x-45=23
x=23+45
x=68
1) x + 22 = 45
x = 45 - 22
x = 23
2) x - 45 = 23
x = 23 + 45
x = 68
X + 22 = 45 X - 45 = 23
X = 45-22 X = 23+45
X = 23 X = 68