Question

[Pham Trong Bach]

Tìm x:

x+8=10

x+5=20

40+x=68

Answer 1

[Cao Minh Tâm]

X + 8 = 10

X = 10 − 8

X = 2

X + 5 = 20

X = 20 − 5

X = 15

40 + x = 68

X = 68 − 40

X = 28