Step-by-step explanation:
THE ANSWER IS C. 31 INCHES
Semd a pic of a graph bc I dont have paper
AX = B
1 -1 -1 x 0
0 -2 -1 y = -2
2 1 0 z -4
x
y = A^-1 B
z
x -1 1 1 0 6
y = 2 -2 -1 . 2 = -8
z -4 3 2 4 14
Answer:
x = 50
Step-by-step explanation:
x = 180 - 130 = 50
