Answer:
Step-by-step explanation:
x_1 + 125 = -66
x_1 = 191 (left down)
125 - 59 = 66 (middle right)
-66 + 66 = 0 (up)
second pyramid
x_2 + 3.5 = -10.25
x_2 = -13.75 (left down)
-10.25 + x = -17
x_3 = -6.75 (middle right)
3.5 + x_4 = -6.75
x_4 = -10.25 (left down)