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A linear equation will have one unique solution when...

User Pangratz
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1 Answer

4 votes

Answer:

… you can write it in the form ax = b (a ≠ 0).

Explanation:

In that case, there is one unique solution: x = b/a.

If a = 0 and b ≠ 0, we get 0x = b , and there are no solutions.

If a = 0 and b = 0, we get 0x = 0, and there are an infinite number of solutions.

User Harshal Deore
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