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Anonymous
7x - 9 = 3x + 5
7x - 3x - 9 = 5
7x - 3x = 5 + 9
4x = 14
x = 14/4
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3x-5=3x+5 There is no solution.
what is a slope
3x+5=20 x=5 since 5x3+5=20
4x + 5 = 3x + 84x-3x + 5 - 5 = 3x - 3x + 8 -5x = 3
6x+5=3x+5 5=9x+5 x=0