Himpunan penyelesaian 25+2 = 53−4 adalah ....
A. 7
B. 9
C. 8
D. 6
E. 3
A. 7
B. 9
C. 8
D. 6
E. 3
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Verified answer
Jawaban: C. 8
Pembahasan:
25x + 2 = 53x - 4
(52) x + 2 = 53x - 4
52x+4 = 53x-4
2x + 4 = 3x - 4
4 + 4 = 3x - 2x
8 = x.
Jadi himpunan penyelesaiannya = {8}
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