Mathematics

Conley

1 February, 01:21

12. which equation is an identity?

A. 7 - (9x + 3) = - 9x - 4

B. 6m - 5 = 7m + 5 - m

C. 10p + 6 - p = 12p - 3 (p - 2)

D. 3y + 2 = 3y - 2

13. which equation has no solution

A. 5y + 3 = 5v - 5

B. 2x - 4 = 2x + 7 - x

C. 2y + 5 - y = 2y - 3 (y - 6)

D. 7z + 9 = - 7z - 6

14. solve the following equation 2 (h-8) - h = h - 16

A. h =

B. h =

C. infinitely many solutions

D. no solution