Cho 25 - (x + 15) = -415 - (-215 - 415) thì x bằng
A. −205
B. 175
C. −175
D. 205
tìm x
a, |x+3| -12 = |-5|
b, 25 - (x-5) = 415 x (15 - 415 )
25+(x-5)=-415-(15-415)
25+(x-5)=-415-(15-415)
25 - (x + 5) = -415 - (15 - 415)
25+(x-5)=-415-(15-415)
25+ (x- 5) 415- (15- 415)
a.484+x=(-632)+(-548)
b.(-x)+(-62)+(-46)=-14
c.25+(x-5)=-415-(15-415)
Tìm x :
a) 3x-17=x+3
b) |x-3|-12=|-5|
c) 2,5-(x-5)=-415-(15-415)
tim so nguyen x, biet
a, 3-[17-x] = 289-[36+289]
b,25-[x+5]=-415-[15-415]