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2x = 6 + 8
2x = 14
x = 7
2. (3x+4) (x-2)
3x² - 6x + 4x - 8
3x² - 2x - 8
3. 2x - 7 = 8x + 23
-7 - 23 = 8x - 2x
-30 = 6x
-5 = x
4. 4-5x = -8-x
4 + 8 = 5x - x
12 = 4x
3 = x
5. tanda (.) itu maksudnya apa? apa maksudnya (>)?
kalau (>)
jawabannya
3(2x-1) > 4 + 5x
6x -3 > 4 + 5x
6x - 5x > 4 + 3
x > 7