To find the answer to the expression 7n - 2 - 3n + 4, you first simplify by combining like terms. Combine the 7n and -3n terms to get 4n. Then, combine the -2 and +4 terms to get +2. Therefore, the final answer is 4n + 2.
Chat with our AI personalities
(7n - 4)(n + 3)
3n and n = 4? 3n ( the four replaces the n 3(4) = 12 =======
4n = 3n + 44n - 3n = 3n - 3n + 4n = 4check:4n = 3n + 44(4) =? 3(4) + 416 =? 12 + 416 = 16 True
3n + 4 = 7(- 4 from both sides)3n = 3(divide both sides by 3)n = 1
-3n+5n+4 = -4 2n = -4-4 2n = -8 n = -4