Quiz
1. 3x + 2 = 8
x = ...
2. 4 + 5² = ...
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1. 3x + 2 = 8
x = ...
2. 4 + 5² = ...
1. 3x + 2 = 8
3x = 8 - 2
3x = 6
x = 6/3
x = 2
2. 4 + 5²
= 4 + ( 5 . 5 )
= 4 + 25
= 29
Penyelesaian :
- nomor 1
[tex] \sf \: 3x + 2 = 8[/tex]
[tex] \sf \: 3x = \: 8 - 2[/tex]
[tex] \sf \: 3x = 6[/tex]
[tex] \sf \: x = \frac{6}{3} [/tex]
[tex] \sf \: x = 2[/tex]
pembuktian
= 3x + 2
= 3(2) + 2
= 6 + 2
= 8
- nomor 2
= 4 + 5²
= 4 + ( 5 × 5 )
= 4 + ( 5 + 5 + 5 + 5 + 5 )
= 4 + ( 10 + 5 + 5 + 5 )
= 4 + ( 15 + 5 + 5 )
= 4 + ( 20 + 5 )
= 4 + 25
= 29
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[answer.2.content]
