8x=7x-7
x=-7
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x2-8x=0 ( add 8x to both sides) x2 =8x (divide by x) x=8 ( x2divided by x equals x)
8x+7=55 8x=55-7 8x=48 x=48/8 x=6
10 -3x+8x = 25 -3x+8x = 25-10 5x = 15 x = 3
8-8x=8x+18 Through simple algebra, this can be manipulated to solve for x: 8=16x+18 -10=16x -5/8=x
6x plus 3 equals 8x plus 14 when solved mathematically is equal to x = -5.5.