Question

[Truong Thi Cam Vy]

tim x

a) x + 100 = 300 

b) 100 +  x = 50

ai tick mìh mình tick lại

Answer 1

[Thanh Tùng DZ]

a) x + 100 = 300

x = 300 - 100

x = 200

b) 100 + x = 50

x = 100 - 50

x = 50

Answer 2

[An Hoà]

a ) x + 100 = 300

             x   = 300 - 100

             x   = 200

b ) 100 + x = 50

              x  = 50 - 100

              x  = - 50