1.

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SoluTion :-

1. 7X - 5 = 2x

Or, 7x - 2x = 5

Or, 5x = 5

Or, x = 5/5

Or, x = 1

2. 5x - 12 = 2x - 6

Or, 5x - 2x = -6 + 12

Or, 3x = 6

Or, x = 6/3

Or, x = 2

3. 7p - 3 = 3p + 8

Or, 7p - 3p = 8 + 3

Or, 4p = 11

Or, p = 11/4

4. 8M + 9 = 7m + 8

Or, 8m - 7m = 8 - 9

Or, m = -1

5. 7z + 13 = 2z + 4

Or, 7z - 2z = 4 - 13

Or, 5z = -9

Or, Z = -9/5

6. 9y + 5 = 15y - 1

Or, 9y - 15y = -1 - 5

Or, -6y = -6

Or, y = 1

7. 3x + 4 = 5 (x-2)

Or, 3x + 4 = 5x - 10

Or, 3x - 5x = -10 - 4

Or, -2x = -14

Or, x = -14/-2

Or, x = 7

8. 3 (t - 3) = 5 (2t - 1)

Or, 3t - 9 = 10t - 5

Or, 3t - 10t = -5 + 9

Or, -7t = 4

Or, t = -4/7


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