Mathematics, 18.02.2021 19:40, domjuan1456

9x-(3x-3)=21 Solve the equation. Select the correct choice below and if necessary, fill in the answer box to complete your choice. The solution set is (Simplify your answer. Type an integer or a fraction. Use a comma to separate answers as needed.) The solution is all real numbers. The solution is the empty set.

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9x-(3x-3)=21 Solve the equation. Select the correct choice below and if necessary, fill in the answ...