Step-by-step explanation:
Answer:
B = 3
3x + 15 = 4x + 12
= 15-12=4x-3x
= 3 = x
X = 3
164 m^2
14*11=154
5*2=10
10+154=164
The answer is -24.
-4 x -1 = 4
4 x 3 = 12
12 * -2 = -24