5(2x-8)=90
10x-40=90
add 40 to both sides
10x=130
divide 130 by 10
and the answer Is x=13
Answer:
Step-by-step explanation:
3n=3
Divide by 3
N=1
Answer:

Step-by-step explanation:
To solve, first subtract 2x from both sides.

You appear to want the solution for -y, so I've included it. Given that you also want the solution for y, divide both sides by -1.

Answer:
Least 4 5/7 {-6 5/7} - | -7 1/7 {-4 4/5} | 5 5/7 X 5 5/7.
Step-by-step explanation: