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12 - h = -h + 3. Rewrite this.
12 - h = 3 - h Subtract 3 from both sides.
9 - h = -h Multiply through by (-1) to get a positive h
-9 + h = h
From this you can see that there is no number that you can subtract 9 from to get the same number. Answer is {} ■
h-9h-6+12h+40 = 22 h-9h+12h = 22+6-40 4h = -12 h = -3
h= -4
-9h - 6 + 12h + 40 = 22 ie 3h = 22 + 6 - 40 h= -12/3 = -4
-9h-6+12h+40 = 22 3h+34 = 22 3h = 22-34 3h = -12 h = -4
12h-17-h+16-2h =12h-3h-17+16 =9h-1,if you mean the value of h,then h =1/9