Answer:
70.8
Step-by-step explanation:
77% is the same as 0.77 so
92 * 0.77 = 77% of 92
92 * 0.77 = 70.84
rounded to the nearest tenth
70.8
and 
use the second expression to calculate the left-hand side of the first equation:

Add 10 to both sides if this equation to get

and divide both sides by 2

this proves that x = 17, give the two initial equations
Answer:
567 i think
Step-by-step explanation:
This equation simplified would be
x= -5/18
The range is 10 to 40 and then the rest .
Hoped I helped by have a create day!okemzkzkkdkxdkjxkfjjzkekkdkekzkdkdkdkdiididididiididiididodododo