di ketahui persamaan :4a — 6=2a + 10, maka nilai 3a — adalah.....?
Jawaban:
Cari nilai a:
4a - 6 = 2a + 10
=> 4a - 6 - 2a = 10
=> 2a - 6 = 10
=> 2a = 10 + 6
=> 2a = 16
=> a = 16/2
=> a = 8
maka,
3a - 5
=> 3(8) - 5
=> 24 - 5
=> 19
Answer By : @mlk39
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