Question

Tìm x

a) x - 3/5 = 13

b)x/6 = 5/7+23/-42

c)-7/8 - x = 5/12 = -1/4

d0 x+ 11/12 = 2/5

Answer 1

a)=>x=13+3/5=68/5.

Vậy x = 68/5

b)=>x/6=5/7+-23/42

=>x/6=1/6

=>x=1

Vậy x=1

còn lại tự làm nha😆😆😆😆😆

Answer 2

a) x-3/5=13

suy ra x=13+3/5

suy ra x=68/5

suy ra x=13.6

b)x/6=5/7+23/-42

suy ra x/6=1/6

suy ra x=1

d) x+11/12=2/5

suy ra x=2/5-11/12

suy ra x=-31/60