8x+5=4x+13 4x=8
x=2
Therefore, your answer is 2.
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8x + 9.16 = 4x + 16 8x - 4x = 16 - 9.16 4x = 6.84 x= 1.71
8x + 12 = 4x - 4 8x - 4x = -4 - 12 4x = -16 x = -4
8x-1 = -4x+23 8x+4x = 23+1 12x = 24 x = 2
8x+2y=4x=-y/4+0.5y=-4x+2
4x+7-8x=17-4x+7=17-4x=10x = -5/2