Answer:

Step-by-step explanation:

substitute (1) to (2):
add x to both sides

subtract 5 from both sides


substitute the values of x to (2):

Answer: 80
Step-by-step explanation: took the test
Answer:
6(g-3h)
Step-by-step explanation:
6/6=1
18/6=3
6(g-3h)
Answer:
B
Step-by-step explanation:
20x2 is 40, so 50x2 is 100
I can't really see those. Sorry I can't help you