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8-20.
  1. Solve each equation below for the given variable, if possible. Homework Help ✎

    1. 4x/5-x-2/7

    2. −3(2b − 7) = −3b + 21 − 3b

    3. 6 − 2(c − 3) = 12

Multiply both sides by 35 to cancel out the denominators.

Check your answer in the original equation.

Distribute the left side.

Check your answer in the original equation.

See the hints in parts (a) and (b).