Question

x + 50 = 50 + 20

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Answer 1

x + 50 = 50 + 20

x + 50 = 70

x        = 70 - 50

x       = 20

Answer 2

x + 50 = 50 + 20

x + 50 = 70

         x = 70 - 50

         x = 20

ai tk mk mk tk lại 

Answer 3

x = 20

tk mình nhé

Answer 4

x + 50 = 50 + 20

x + 50 = 70

x        = 70 - 50

x        = 20

Answer 5

x + 50 = 50 + 20

x + 50 = 70

       x  = 70 - 50

       x  = 20                     k mk nha mina ~~!

Answer 6

x+50=70

x      =70-50

x      =20