Question

01. Resolver, em R, a equação |2x + 1| - |3 – x| = |x – 4|.?

Answer 1

(2x+1) - (3-x) = (x-4)
(2x+1) - (x-3) = (x-4)
(x-2) = (x-4)
(-2-4) = (x+x)
$- 6{x}^{2}$