Respuesta :

-9h - 6 + 12h + 40 = 22
3h + 34 = 22
3h = -12
h = -12/3
h = -4
[tex]-9h-6+12h+40=22\\\\(-9h+12h)+(-6+40)=22\\\\3h+34=22\ \ \ |subtract\ 34\ from\ both\ sides\\\\3h=-12\ \ \ \ \ \ |divide\ both\ sides\ by\ 3\\\\\boxed{h=-4}[/tex]

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