Question

25 Points! Show ALL Work! Image Attached.

Answer 1

a) x = 13

b) x = 7

Explanation:

A) Since they have the same base of 2 so

x + 4 + (-5) = 12

x - 1 = 12

x = 13

b) Since they have the same base of -3 so

8 + x + 4 = 19

x + 12 = 19

x = 7