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Anonymous
7x-11=-19+3x 4x=-19+11 4x=-8 x=-2 Check it 7x(-2)-11=-14-11=-25 And -19+(-2)x3=-19-6=-25 It works.
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7.5
4x plus 7 plus 3x equals 19 plus xx = 2
5x+3 = 3x+11 5x-3x = 11-3 2x = 8 x = 4
3x+4=-11 3x=-15 x=-5
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