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Mathematics
Rylee Crane
16 November, 23:07
51 = 2x - 5 (3x + 21)
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Albert Wallace
17 November, 02:35
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51=2x-5 (3x+21)
you multiply - 5 and 3x=-15x = - 15x and - 5 multiply 21=105
51=2x-15x-105
multiply 2x and - 15x = -13x
51 = - 31x-105
31x=-105-51
13x=-156
Answer x=-12
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