tim x biet
a, 25-(30+x)=x-(27-8)
b,(x-12)-15=(20-7)-(18+x)
cau 1.tim x
a)15-|x-4|=6
b)-30+|25-x|=-1
c)x-(12-25)=-8
d) (x-29)-(17-38)=-9
cau 2.tim so nguyen x
a,22-(-x)=12
b,(x+5)+(x-9)=x+2
c,(27-x)+(15+x)=x-24
25-( 30+ x)= x-( 27-8)
-25 + (30-x )-x =-(27+8)
25- ( 30+ x) = x -( 27- 8 )
25-(30+x)=x-(27+8)
25 - (30 + x) = x - (27 - 8)
25- (30+x)=x-(27- 8)
Tìm x biết 25-(30+x)=x-(27-8)