Answer:
-4z
Step-by-step explanation:
-3z-z
Factor out the z
z(-3-1)
Combine like terms
z(-4)
y−x2+2x=−4y-x2+2x=-4 , y+x=2
Answer:69
69•2= 138
69-11=58
58•3=174
174+138=312
the value of x is 200 I can't explain
SAS.........,..,....