Question

[✰_๖ۣۜLụ¢ ๖ۣۜLү✰]

a / 200 + x = 800

b / 700 - x = 300

Answer 1

[阮草~๖ۣۜDαɾƙ]

\(a.x=800-200\)

\(x=600\)

\(b.x=700-300\)

\(x=400\)

Answer 2

[๛๖ۣۜMĭη²ƙ⁸࿐]

a ) x = 800 - 200 = 600

b ) x = 700 - 300 = 400 

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