Y=5x-4y-20 the solution would be 10
Answer:
r = -140
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable. Not sure if this was the answer you were looking for.
Answer:
The difference between city and town is 189m.
Step-by-step explanation:
A city is 138m above sea level and town is 51m below see level.
When finding the differences, you have to take the highest value and subtract the lowest value :

Answer:
42.9
Step-by-step explanation:
8.25x 5.2
Triange formula = b x h
X can equal : 6, 5, 4, 3, 2, 1