linear equations

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Across
  1. 1. value of w in 3=2w+23
  2. 3. with 1 variable
  3. 4. value does not change
  4. 7. it is like a balance
Down
  1. 1. value of x in x+7=4
  2. 2. value keeps changing
  3. 5. value of g in 2g+2=16
  4. 6. finding value of unknown in an equation