Mohon dibantu karna lagi ada ujian nasional

Mohon dibantu karna lagi ada ujian nasional

Penyelesaian:

3/4=3+a/12

12×3/4=3+a

9=3+a

a=6cm

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Jawaban:

Penjelasan dengan langkah-langkah:

$frac{3}{4} = frac{a + 3}{12} \ \3 times 12 = 4 times (a + 3) \ \ 36 = 4a + 12 \ \ 4a = 36 - 12 \ \ 4a = 24 \ \ a = frac{24}{4} \ \ a = 6$

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