Wendellmondejarviz
Answered

(___+3) + 11 =6 +(3 +11)
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Sagot :

G4rythesnailviz

Answer:

6

( 6 +3) + 11 =6 +(3 +11)

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Ashy001viz

(6+3)+11=6+(3+11)

n?

(n+3)+11=6+(3+11)

(n+3)+11=6+14

(n+3)+11=20

(n)+3+11=20

(n)+14=20

n=20-14

n=6

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