What is 4.5+-8=5.5+4m??

[latex]4.5+(-8)=5.5+4m\\\\4m+5.5=-3.5\\\\4m=-3.5-5.5\\\\4m=-9\ \ \ /:4\\\\m=-2.25[/latex]

4.5+-8 = -3.5 -3.5=5.5+4m 0 = 9 + 4m -4m = 9 m = 9/-4 m = -2 1/4