We start with 4x + 8 = 5x -5. Subtract 4x from both sides of the equation, which gives us 8 = x - 5. Add 5 to both sides of the equation, this gives us 13 = x. Problem solved.
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4x-7=5x-2 x=-5
3x-8+5x+39+4x+51 = x(3+5+4) + -8 + 39 + 51 = 12x +82
4x + 5(x - 2) +124x + 5x - 10 + 129x + 2
x+4x+5 = 0 5x + 5 = 0 5x = -5 x = -1
5-4x=x-35-4x+4x=x-3+4x (adding 4x on both side)5=5x-35+3=5x-3+3 (adding 3 on both side)8=5xx=8/5