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The algebraic expression for "3 more than a number" can be written as x + 3, where x represents the unknown number. In this expression, the variable x is being increased by 3. This expression can be simplified further if needed, but the basic form is x + 3.
-h/3 -4 = 13 -h -12 = 39 -h = 39+12 -h = 51 h = -51
h
8-h
It is: (5*12)-2 = 58