1] 3x-78-x, 3]2x+1x+6, 4]4x+23x+1, 5]6x+1

Question

1] 3x-78-x, 3]2x+1>x+6, 4]4x+2>3x+1, 5]6x+1<2x+9.

Yugtime · Accepted Answer

1] 3x-78-x2 х=78 х=393]2x+1>x+6 х>54]4x+2>3x+1 х>-15]6x+1<2x+9,4 х<8 х<2

1] 3x-78-x, 3]2x+1>x+6, 4]4x+2>3x+1, 5]6x+1