x = -5
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4x-7=5x-2 x=-5
10x ÷ 5x = 2
5x - 4 = 3x + 6 5x - 3x = 6 + 4 2x = 10 x = 5
If: 5x = 4x+7 Then: 5x-4x = 7 And: x = 7
y = 2x -1 y = 5x -13 So: 5x -13 = 2x -1 5x -2x = 13 -1 3x = 12 x = 4 and by substituting y = 7