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Mathematics 24 Online
OpenStudy (anonymous):

Algebra uses letters for numbers that are unknown. Any letter can be used. Example: 3 + m means: 3 and the unknown number (m) are added. 10 - t means: the unknown number (t) is subtracted by 10 6s means 6 times the unknown number (s). These letters are also called variables, unknowns, or literal numbers. What does each of the following mean? 1. a. 8 + t b. 10rst 2. a. t - 4

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