-4 + 6 -2 and -4 + 6 2.
8 - 6 = 2
A.8 - 6 < 3
C.-4 + 6 -2
D.-4 + 6 2
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There are many simple questions in everyday life that can be modelled by linear equations and solved using linear programming.
Inequalities have greater than, less than, greater than or equal to, or less than or equal to signs. Equations have an equal sign.
equality does not change signs inequalities do for greater than or less than equations
Unless otherwise stated, the "AND" case is normally assumed, i.e., you have to find a solution that satisfies ALL equations.
They make up the solution set.