Answer: a
Step-by-step explanation: its getting rid of water and the original is 40
Answer:
3 is b
4 is also b
Step-by-step explanation:
Answer:
-4,3.5
Step-by-step explanation:
1st one
x-2x-20 = 12
-x = 32
x=-4
2nd one
-15=15q-50 - 5q
35= 10q
q = 3.5
Answer:
52+46
Step-by-step explanation:
