Question

9 -4n+ 3n = 8n + 3 -3

im helping a friend so please make it right

Answer 1

n = 1

Explanation:

This equation is just basic alegebra. First, combine like terms to get

9 - n = 8n. (Because 3 - 3 = 0, and -4n + 3n = -n.) Now the equation is much simpiler; add n to both sides to get 9 = 9n. Divide 9 by both sides to get that n = 1.

You can check your answer by plugging 1 in for n.

9 - 4(1) + 3(1) = 8(1) + 3 - 3

9 - 4 + 3 = 8 + 3 - 3

5 + 3 = 11 - 3

8 = 8

Therefore, n is proven to equal 1.

Hope this is helpful :)