Math crossword

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Across
  1. 4. absolute value
  2. 7. angle of a line
  3. 8. line crosses y axis (no spaces)
Down
  1. 1. a set of multiple equations that are solved simultaneously with the same variables to find the same answer
  2. 2. letters in math
  3. 3. middle of line
  4. 5. line crosses x axis (no spaces)
  5. 6. math with letters