Equations using Addition and Subtraction

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Across
  1. 2. the values of two mathematical expressions are equal
  2. 3. represents a value of a function
  3. 4. Solving a math problem
  4. 6. Mathematical symbols that join together to express a quantity
  5. 9. a reciprocal quality in a math mathematical expression
  6. 10. Adding something to something else
Down
  1. 1. Taking something away from something else
  2. 5. a number, quantity, expression is altered or manipulated according to formal rules
  3. 6. equal in values
  4. 7. Letters and other general symbols are used in math
  5. 8. Being equal, or in math you have to do it the same side as what you did to the other