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| 1. |
solve following by substitution method: ax(1/a-b - 1/a+b) + cy(1/b-a - 1/b+a) = 2a+b |
| Answer» solve following by substitution method: ax(1/a-b - 1/a+b) + cy(1/b-a - 1/b+a) = 2a+b | |