Question

75. Resolva as inequações em R.

B) 2(x-3)>5(x+1)


D) 3(2-x)<5x-(4x+1)+2

Answer 1

bon souir cher ami!!!

Vamos la!!

B) 2( x - 3 ) >5( x + 1)

2x - 6 > 5x + 5
2x -5x > 5 + 6
- 3x > 11
x > - 11 / 3

D ) 3(2-x)<5x-(4x+1)+2
6 - 3x < 5x - 4x + 1 +2
-3x +4x < 3 -6
x < - 3



A bientot !!