Answer:
n=10
Step-by-step explanation:
first distribute
-3 + 1/2 n = -1/2n + 7
next multiply both sides of the quation by 2
-6+n=-n+14
add n to both sides
-6+n+n=14
add 6 to both sides
n+n=14+6
combine like terms
2n=20
divide both sides by 2
