-2.95n+7+1.5=(10+1.5)-3.95n
– 2.95n + 7 + 1.5 = 10 + 1.5 – 3.95n
– 2,95n + 3,95n = 1,5 + 10 – 1,5 – 7
n = 3
-2.95n+7+1.5=(10+1.5)-3.95n
– 2.95n + 7 + 1.5 = 10 + 1.5 – 3.95n
– 2,95n + 3,95n = 1,5 + 10 – 1,5 – 7
n = 3