Matematika

Pertanyaan

1) 5p + 2 = 2p =7
2) 3/5a = 6
3) a+5=2a-8
4)3a-2=2a+5
5)1/2a + 5= 7
(PLSV)
Cara+Jawaban ya Makasi!

1 Jawaban

  • 1) knpa samadengan nya ada dua?
    2) 3/5a = 6
    => 3 = 6 * 5a => 3 = 30a => 3/30 = a
    => a = 0.1
    3) a+5=2a-8 => 5+8 = 2a - a => 13 = a
    4) 3a - 2 = 2a + 5 => 3a - 2a = 5+2 => a = 7
    5) 1/2a + 5 = 7 => 1/2a = 7 - 5 => 1/2 a = 2 => a = 2*2 = 4

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