Solving and Simplifying

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Across
  1. 2. Equation setting two ratios equal
  2. 5. Algebra with no equal sign
  3. 6. Algebra with an equal sign
  4. 7. a way to evaluate to see if our answer is correct
Down
  1. 1. Get an answer by using opposites
  2. 3. Comparing two quantities with a fraction
  3. 4. PEMDAS
  4. 5. plug in and use PEMDAS