Subtract 7 from each side: 12x = 8x + 16
Subtract 8x from each side: 4x = 16
Divide each side by 4: x = 4
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8x-1 = -4x+23 8x+4x = 23+1 12x = 24 x = 2
8x-3+6x-1 = 12x+614x-4 = 12x+614x-12x = 6+42x = 10x = 5
If you're trying to find x: 8x-1=-4x+23 8x+4x=23+1 12x=24 x=24/12 x=2 wasn't really sure if that's what your question was but hope it helped =)
8x squared
OK, SO 4x = 12x + 32.SO 4x -12x-12x-12x+32 (subtract 12x from each side to get x on one side)SO -8x = 32 (simplify)SO -1 (-8x) = 32 (-1) (multiply each side by -1)SO 8x -32 (simplify)SO 8x / 8 = -32/8 (divide each side by eight (8) to get ""X"" by itself)SO x= -4SO x = -4.Does that help?Hope that helps!