Jika 3( y + 5 ) + 9 = 3(2y + 1 ) ,maka nilai ( y + 6 ) adalahA. 11B. 12C. 13D. 14​

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Jika 3( y + 5 ) + 9 = 3(2y + 1 ) ,maka nilai ( y + 6 ) adalahA. 11B. 12C. 13D. 14​

Jawab:

3( y + 5 ) + 9 = 3(2y + 1 ) ⇒ 3y+15+9=6y+3 ⇒ 21 = 3y ⇒ y=7 maka y+6=13