Answer:
x = 5
Step-by-step explanation:
18x-30-7x = 25
11x = 55
x = 55/11
x=5
Answer:
-125
Step-by-step explanation:
negative one twent five
Answer:
9/10
Step-by-step explanation:
5n-4=11
1/2n+15=20
4n+8=12
unless those _ are supposed to be negative signs
then it would be
1/2n+15=-20
and 4n+8=-12