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| algebra |
a form of mathematics used to solve problems in which some of the numbers are not known. In an algebra problem, letters stand for the unknown numbers. |
| mathematics |
(used with a singular verb) the study of numbers, amounts, shapes, and the relationship between them, using symbols to represent these things. Arithmetic, algebra, and geometry are some branches of mathematics. |
| x2 |
an unknown number in algebra. [1/4 definitions] |
| y |
an unknown number in algebra. [1/2 definitions] |
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