x-2 |
5 |
2x-5 |
3 |
2x-5 |
3 |
x-2 |
5 |
5 |
2 |
3 |
4 |
5 |
2 |
5 |
2 |
3 |
4 |
6 |
7 |
9 |
7 |
5 |
2 |
5 |
2 |
3 |
4 |
9 |
7 |
A.4 | B.3 | C.2 | D.1 |
A.-14 | B.20 | C.14 | D.-16 |
A.0 | B.1 | C.-2 | D.-
|
2x-1 |
3 |
3x-4 |
4 |
A.4(2x-1)-9x-12=1 | B.8x-4-3(3x-4)=12 |
C.4(2x-1)-9x+12=1 | D.8x-4+3(3x-4)=12 |
15 |
4 |
7 |
2 |
2x |
3 |
x |
3 |
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