Jawaban:
1. x = 12
2. x = 1¼
3. x = 3
Penjelasan dengan langkah-langkah:
1. ⅓x = 4
x = 4 ÷ ⅓
x = 4 × 3
x = 12
2. 4x = 5
x = 5/4
x = 1¼
3. 2(5 - x) = 4(2x - 5)
10 - 2x = 8x - 20
-2x - 8x = -20 - 10
-10x = -30
x = -30/-10
x = 3
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Jawaban:
1. x = 12
2. x = 1¼
3. x = 3
Penjelasan dengan langkah-langkah:
1. ⅓x = 4
x = 4 ÷ ⅓
x = 4 × 3
x = 12
2. 4x = 5
x = 5/4
x = 1¼
3. 2(5 - x) = 4(2x - 5)
10 - 2x = 8x - 20
-2x - 8x = -20 - 10
-10x = -30
x = -30/-10
x = 3