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ANEK [815]
3 years ago
6

-2(x-3)+5x+7=3(4-3x)+12x-9

Mathematics
2 answers:
NNADVOKAT [17]3 years ago
8 0
-2(x-3)+5x+7=3(4-3x)+12x-9                         - problem
-2x+6+5x+7=3(4x-3x)+12x-9                        - distributive property
5x-2x+6+7=3(4x-3x)+12x-9                          -  combine like terms
3x+13=3(4x-3x)+12x-9                                   - combine like terms
3x+13=12x-9x+12x-9                                     - distributive property
3x+13=3x+12x-9                                            - combine like terms
3x+13=15x-9                                                  - combine like terms
13=12x-9                                                        - subtract 3x from both sides
22=12x                                                          - add 9 to both sides
x=0.5454


DaniilM [7]3 years ago
7 0
<span>-2(x-3)+5x+7=3(4-3x)+12x-9
-2x + 6 + 5x + 7 = 12 - 9x + 12x - 9
3x + 13 = 3x + 3
0 = -10

No solution</span>
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