7-(-4)=?
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6h - 7 = 17... The value of 6h MUST equal 24, since 24 - 7 = 17. Therefore h MUST equal 4, because 6 x 4 = 24.
4+9+7+6+8+8 equals 42.42 divided by 6 equals 7.
E = 24/z or, equivalently, z = 24/E
45+4 = 49 49/7=7 7*7=49-4=45 so x=7
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