0
Anonymous
9x = 4x + 45 5x = 45x = 9
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4x + 55 = 9x + 10 55 = 5x + 10 45 = 5x x = 9
2
4x-14
5x+4x-10 = 35 9x = 35+10 9x = 45 x = 5
The answer to the problem of 13 equals -4x plus 9 is x equals -1.