Question

inequação 5+5×<6×+2
e essa tbm 4(×+5)+3(×+5)> 21
me ajudem prfv

Answer 1

5+5x<6x+2
5x-6x<+2-5
-1x<-3(-1)
x>+3 {X€Q/x>3 ou +3}
__________________
4x+20+3x+15>21
4x+3x>21-20-15
7x>1-15
7x>-14
7x/7>-14/7 :7>-2 {X€Q/x>-2}

Answer 2

5 -2<6x -5x
3< x
x>3


4(×+5)+3(×+5)> 21
4x +20 +3x+15 >21
4x+3x >21 -15 -20
7x >21 -35
7x> -14
x >$\frac{-14}{7}$
x> -2