Tìm x
Tìm x :
a) 134 + ( x-13)=87
b) 22-(-43+x)=107
c) 13.(2x+5)-6.(x+3)-20x= 80
d) -8. ( x-15) + 7.(3-x)= 36
e) (2x-3) mũ 3 = 27
f) ( x+5).(13-x)=0
g) ( x mũ 3 + 13).(25-x mũ 2 ) =0
h) ( x-5 ) + ( x-4 ) + ( x-3 ) + ( x-2 ) = 18
i) (-13).x= (-12).11-(-15)
a) 134 + ( x-13)=87
b) 22-(-43+x)=107
c) 13.(2x+5)-6.(x+3)-20x= 80
d) -8. ( x-15) + 7.(3-x)= 36
e) (2x-3) mũ 3 = 27
f) ( x+5).(13-x)=0
g) ( x mũ 3 + 13).(25-x mũ 2 ) =0
h) ( x-5 ) + ( x-4 ) + ( x-3 ) + ( x-2 ) = 18
i) (-13).x= (-12).11-(-15)