solving multi-step equations algebra 1 /funtions

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Across
  1. 3. Parentheses , exponent , multiplication/division , addition/subtraction
  2. 4. Changing the grouping of numbers will NOT change the value. Works for either addition or multiplication
  3. 6. two number with the product of one
  4. 7. two number you add together to get zero
Down
  1. 1. add the terms with the same variable
  2. 2. grouping mechanism
  3. 5. multiply the number on the outside of the parentheses to the number on the inside