-3 because you could eliminate the 3x by subtracting it by 3x
Answer:
67
Step-by-step explanation:
● -(x + 3) + (y - 5) + (z - 6)
● -x - 3 + y - 5 + z - 6
● (-x + y + z) + (3 -5 -6)
● 75 + 3 - 11
● 78 - 11
● 67
Answer:
the answer is r (‑1)/(6*x)-2.1
Step-by-step explanation: