23 . ( 43 - x) = 23
43-x=23:23
43-x=1
x=43-1
x=42
23 . ( 43 - x ) = 23
43 - x = 23 : 23
43 - x = 1
x = 43 -1
x = 42
Vậy x = 42
Học tốt!!!
23.(43-x)=23
(43-x)=23:23
(43-x)=1
x=43-1
x=42
vậy x=42
23 . ( 43 - x ) = 23
43 - x = 23 : 23
43 -x = 1
x= 43-1
x= 42
tim x biet : (- 7 mu 2 ) nhan (-23 + x ) =(-49 ) nhan (-23 +13) x la ....
tim x, biet:
a) x-4=-23
Tim so nguyen x biet : x+(x+1)+(x+2)+(x+3)+........+23+24=0
tim so nguyen a, b biet a lon hon 0 va a.(b-2)=3
tim x,y biet (x-2).(y+1)=23
tim so tu nhien x biet:
25+24+23+...+x=25
Tim x biet:
2x + 23 = 2012 - (2012 -15)
tim so tu nhien x biet (1/1.2.3 + 1/2.3.4 +...+ 1/8.9.10).x =23/45
tim so nguyen x biet:
a, 23-x=19-(-12)
b, x-7=(-2)-8
tim x biet 37x+56=53+23
