Question

Rezolvati in R inecuatia. 5-4(2x+3) mai mare sau egal 1-2(3x-7

Answer 1

$5-4(2x+3) \geq 1-2(3x-7) \\ 5-8x-12 \geq 1-6x+14 \\ -8x+6x \geq 1+14-5+12 \\ -2x \geq 22 \\ x \geq 22:(-2) \\ x \leq -11 \\ x apartine (- infinit, -11]$