Answer:
x = 
Step-by-step explanation:
So here we are trying to find the value of x;
Subtract 5x from both sides;
-8x + 10 = -8
Then, Subtract 10 from both sides;
-8x = -18
Divide both sides by -8;
x = 
First question
42 students
Second question 65%
Answer:
y=x^28x+31
Step-by-step explanation:
Answer:
x=45
Step-by-step explanation:
add (3x-9)+30+24=180
subtract 30 and 24 from both sides
(3x-9) = 126
+9 on both sides
3x=135
divide by 3 on both sides
x=45
Answer:
19
Step-by-step explanation:
Add from numbers 14-20