2e - 12 = 7e + 8Add 12 to both sides: 2e = 7e + 20
subtract 7e from both sides: -5e = 20
divide both sides by -5: e = -4
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15x minus 8=minus 180 3x+8=24
6
12 + 5 equals...
(five cubed minus five) / (five plus five) equals 12
-9h - 6 + 12h + 40 = 22 ie 3h = 22 + 6 - 40 h= -12/3 = -4