Then describe the solution

1) 2x -3 = 2( 5 + x )

2) 4(p - 1 ) + 8 = - 10

3) -5n -2( n + 4 ) = - 7n - 8

4) 7( 2m - 2 ) - 5m = 9m -14

1. contradiction. 2x-3 = 10+2x. Left side cannot be equal to right side

2. 4(p-1) +8 = -10. Simplify. 4p -4 + 8 = =10

4p =6 conditional equation p= 6/4 = 3/2

3. -5n -2 (n+4) = -7n -8

Simplify. -5n -2n -8 = -7n -8

-7n -8 = -7n -8. Therefore an identity

4. 7 (2m-2) -5m = 9m -14

14m -14 -5m =9m -14

9m-14 = 9m -14. Therefore anidentity

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