College Algebra / Alg 135 · Atom · ~20 seconds
Identity, Conditional, and Inconsistent Equations
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Every linear equation is one of three kinds: an identity is true for all values, a conditional for some, an inconsistent for none.
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2(x + 1) = 2x + 2 holds for every x; 2x = 6 holds only at 3; x + 3 = x + 5 holds never.
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