Question

Mục khoanh cam đó ạ! Giúp em/mk dới,gấp lém ạ

Answer 1

9:

a: =>x+35=103

=>x=68

b: =>6x=24

=>x=4

c: =>x+35=103

=>x=68

d: =>x-143=57

=>x=200

e: =>5x+24=49

=>5x=25

=>x=5

f: =>x-105=315

=>x=420