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2. write a justification for a 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

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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  

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)

in the math equation 8 x 7 = 56, the 8 and the 7 are both factors of 56, since in this lesson we will use square tiles to figure out the factors of a whole find as many different arrays as you can, but follow one important rule: all the rows must have the i can make two rows of nine, so 2 and 9 are both factors of 18.

step-by-step explanation: