Câu này là cho Tìm số nguyễn,biết:
Mn cho mik xin đáp án ạ
5-(10-x)=7
=>10-x=-2
=>x=8
-32-(x-5)=0
=>x-5=-32
=>x=-27
Các câu hỏi tương tự
(x –15) .15 = 0 b) 32 (x –10 ) = 32
c) ( x – 5)(x – 7) = 0 d) (x – 35).35 = 35
a, 32 . ( x - 10) = 32
b, ( x - 105 ) : 21 = 15
c, ( x - 5 ) . ( x - 7 ) = 0
Tìm x eN biết
a) (x –15) .15 = 0 b) 32 (x –10 ) = 32 c/ ( x – 5)(x – 7) = 0 d/ (x – 35).35 = 3
a) 3 - (17-x) = -12
b) -26 - (x-7) = 0
c) 25 + (-2+x) = 5
d) 30+ (32-x) = 10
a) a- (10-x) = 7
b)-32 (x-5)= 0
c)11+(15-x)=1
d) x-{[x+(x+3)] - (x+3) - [(x-2)]=0
Tìm x
a,575-(6x+70)=447
b,x-105:21=15
c,(x-5).(x-7)=0
d,(x-36):18=12
e,32.(x-10)=32
tim so nguyen x biet
a,9-25=[7-x]-[25+7]
b,-26-[x-7]=0
c,30+[32-x]=10
d,2.x-18=10
e,3.x+26=5
f,/x/-5=-12+30
g,[/x/+1].[4-2x]=0
h,8+/x/=/-8/+11
i,4.[x+1]-[3x+1]=14
tìm x biet
3 - ( 17 - x ) = -12
25 + ( -2 +x ) = 5
-25 - ( x - 7 ) = 0
30 + ( 32 - x ) = 10
tính x:
a. 3 - ( 17- x) = -12
b. - x - ( x-7) = 0
c. 25 + (-2 + x ) = 5
d.30 + ( 32-x ) = 10