Question

I need help with a problem

Answer 1

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Write a justification for Line 2, Line 3, and Line 4. Explain why you chose each justification.
Line 1      5x – 2 = 3x + 7
Line 2      2x – 2 = 7 
Line 3            2x = 9 
Line 4            x = 4.5  
 
Answer:
Line 2: subtraction property (subtract 3x from each side)
Line 3: addition property. (add 2 to each side)
Line 4: division property (divide 2 from each side)