Question

tìm x:

x + 50 - 40 = 50 + 50 x 2

Answer 1

x + 50 - 40 = 50 + 100

x + 50 - 40 = 150

x + 50 = 150 + 40 = 190

x = 190 - 50 = 140

Answer 2

x + 50 - 40 = 50 + 50 x 2

x + 50 - 40 = 150 

x + 50 = 150 + 40 

x + 50 = 190 

x = 190 - 50 

x = 140 

ai k mik mik thề sẽ k lại hứa đó

Answer 3

x + 50 - 40 = 50 + 50 x 2

x + 50 - 40 = 50 x ( 1 + 2 )

x + 50 - 40 = 50 x 3

x + 50 - 40 = 150

x + 50 = 150 + 40

x + 50 = 190

x = 190 - 50

x = 140

mình nha 

Answer 4

x + 50 - 40 = 50 + 50 x 2

x + 50 - 40 = 50 x ( 1 + 2 )

x + 50 - 40 = 50 x 3

x + 50 - 40 = 150

x + 50 = 150 + 40

x + 50 = 190

x = 190 - 50

x = 140

Answer 5

x + 50 - 40 = 50 + 50 x 2

x + 50 - 40 = 50 x ( 1 + 2 )

x + 50 - 40 = 50 x 3

x + 50 - 40 = 150

x + 50 = 150 + 40

x + 50 = 190

x = 190 - 50

x = 140

Answer 6

x + 50 - 40 = 50 + 50 x 2

x + 50 - 40 = 150

       x + 50 = 150 + 40

       x + 50 = 190

               x = 190 - 50

               x = 140

Ai đó k mik nha 

Answer 7

120 nhe ban

hiền hòa

Answer 8

x+50-40=50+50x2

x+10      = 150

x             = 150-10

x              =140

Answer 9

x + 50 - 40 = 50 + 50 x 2

=> x + 50 - 40 = 150

=> x + 50 = 150 + 40

=> x + 50 = 190

=> x = 190 - 50

=> x = 140

Vậy: x = 140