Replace 7 everywhere you see "n" in the equation
5(7)-12=? ~ now multiply 5*7
35-12=? ~ now subtract
35-12=23
Chat with our AI personalities
5n + 7 = -41 5n = -48 n = -48/5 n = -9.6
The answer is 37, because you substitute n in 5 to 12 plus 5n, the answer is 37.Hope it is correct.
5n - n = 8 + 4 ie 4n = 12 so n = 3
n=3
5n+15 = 25 5n = 25-15 5n = 10 n = 2