X x 23 + X x 35 - 1968 = 10270
X x ( 23 + 35 ) - 1968 = 10270
X x 58 - 1968 = 10270
X x 58 = 10270 + 1968
X x 58 = 12238
X = 12238 : 58
X = 211
X x 23 + X x 35 - 1968 = 10270
X x ( 23 + 35 ) - 1968 = 10270
X x 58 - 1968 = 10270
X x 58 = 10270 + 1968
X x 58 = 12238
X = 12238 : 58
X = 211
x * 23 + x * 35 - 1968 = 10270
x * 23 + x * 35 = 10270 + 1968
x * 23 + x * 35 = 12238
x = 12238 : (23 + 35)
x = 211
X x 23 + X x 35 - 1968 = 10270
X x 23 + X x 35=10270+1968
X x 23 + X x 35=12238
Xx(23+35)=12238
Xx58=12238
X=12238:58
X=211
Trc hết xin nhắc bạn dấu nhân viết: * chứ ko phải x
x*23+x*35-1968=10270
x*(23+35) =10270+1968
x*70 =12238
x =12238/70(nhớ rút gọn nhé)
X x 23 + X x 35 - 1968 = 10270
X x 23 + X x 35=10270+1968
X x 23 + X x 35=12238
Xx(23+35)=12238
Xx58=12238
X=12238:58
X=211
X x 23 + X x 35 - 1968 = 10270
X x (23 + 35) -1968 = 10270
X x 58 - 1968 = 10270
X x 58 = 10270 + 1968
X x 58 = 12238
X = 12238 : 58
X = 211.