Tolong dijawab ya.. 1. 1/2 × = 5 2. 3(a-2) = a + 2 3. 3a - 5 = 13 4. 2× +3 = 15 5. 3× -8 = 19 6. 2(5-×) = 4(2×-5) 7. 3(4×-5) = 2(3×+8) Tolong pakai cara ya..
Matematika
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Pertanyaan
Tolong dijawab ya..
1. 1/2 × = 5
2. 3(a-2) = a + 2
3. 3a - 5 = 13
4. 2× +3 = 15
5. 3× -8 = 19
6. 2(5-×) = 4(2×-5)
7. 3(4×-5) = 2(3×+8)
Tolong pakai cara ya..
1. 1/2 × = 5
2. 3(a-2) = a + 2
3. 3a - 5 = 13
4. 2× +3 = 15
5. 3× -8 = 19
6. 2(5-×) = 4(2×-5)
7. 3(4×-5) = 2(3×+8)
Tolong pakai cara ya..
1 Jawaban
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1. Jawaban sinagacoy
1.1/2×=5
x=5:1/2
×=10
3.3a-5=13
3a=13+5
a=18/3=6