Question

7•x-2 mai mare sau egala cu 4•x+10

Answer 1

7x-2_>4x+10
3x_>12
x_>4
x=4,5,6.....infinit

Answer 2

$7 \ \times x - 2 \geqslant 4 \times x + 10 \\ 7 \times x - 4 \times x \geqslant 10 + 2 \\ 3 \times x \geqslant 12 \\ x \geqslant 4$
x€{4,5,6,...}