-9h - 6 + 12h + 40 = 22 ie 3h = 22 + 6 - 40 h= -12/3 = -4
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7
15x minus 8=minus 180 3x+8=24
It is an equation with the plus or minus signs missing which makes it impossible to solve.
It can be solved by using the quadratic equation formula.
-2