Q.ulQaz
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5a + 2a - 3a
a = 2
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5a + 2a - 3a
a = 2
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SOAL 1
___________________________________________
5a + 2a - 3a
a → 2
___________________________________________ 5(2) + 2(2) - 3(2)
= (5 × 2) + (2 × 2) - (3 × 2)
= 10 + 4 - 6
= 10 - 2
= 8
___________________________________________
5a + 2a - 3a
a => 2
5(2) + 2(2) - 3(2)
(5 × 2) + 2(2) - 3(2)
10 + (2 × 2) - 3(2)
10 + 4 - (3 × 2)
10 + 4 - 6
14 - 6
= 8