Answer:
B
Step-by-step explanation:
4 (x - 7) - 2 (x + 1) = 10
x = 10
B. -2 (x - 7) + (x + 1) = 5
x = 10
your equation is equivalent to B!
Answer:
c
Step-by-step explanation:
Answer:
z = 6
Step-by-step explanation:

Answer:
40
Step-by-step explanation:
Answer:
3/5
Step-by-step explanation:
1/10+1/20=3/5