Question

z + 650 = 100 + 120

Answer 1

z + 650 = 220 

        z = 220 - 650 

        z = - 430 

trang ơi tk em em tk lại

Answer 2

z + 650 = 100 + 120

z + 650 = 220

x          = 220 - 650

x          =   - 430

Answer 3

z+650= 100+120

z+650= 220

z= -430

đáp số -430

Answer 4

z + 650 = 100 + 120

z + 650 = 220

z          = 220 - 650

z          = -430

Answer 5

-430

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Answer 6

z+650=100+120

z+650=220

z=220-650

z=-430

Answer 7

z + 650 = 100 + 120

z + 650 = 220

     z = 220 - 650

     z = -430

Vậy z = -430

Answer 8

z + 650 = 220

z = 220 - 650

z = -430