What is the justification for each step in the solution of the equation?
-2 (x-1) + 12=4x-6-2 (x-1) + 12=4x-6
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-2 (x-1) + 12=4x-6-2 (x-1) + 12=4x-6 Given
-2x+2+12=4x-6-2x+2+12=4x-6
-2x+14=4x-6-2x+14=4x-6 Combine like terms.
-2x=4x-20-2x=4x-20
-6x=-20-6x=-20 Addition or Subtraction Property of Equality
x=206x=206
x=103x=103 Simplify.
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