Question

Resolva as inequações do 1° Grau:
A- 2x + 4 > 10
B- 3x - 2 ≤ x + 6
C- 2x + 2 >3x + 4
D- 3. (x - 1) < 2.(x + 2)
E- x + 2 ≥ x + 1
3 2
F- x + 5 > x + 1
3 6 9 2

Answer 1

a) 2x +4>10 ----- 2x >10-4 -----2x>6------- x>6/2--------x>3
b) 3x-x≤ 6+2-------2x≤8---------x≤8/2--------x≤4
c)2x-3x>4-2-------- -x>2---------x>-2
d)3x-3<2x+4------3x-2x<4+3-------x<7
                                                                         ok