Question

a) 2(x + 3) > 3 (1 - x)

b) x/3 - (x+1)/2 < (1 - x) / 4



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Answer 1

a) 2(x+3)>3(1-x)

2x+6>3-3x

2x-3x>3-6

-x>-3(multiplica por -1)

x<3

b) x/3-(x+1)/2<(1-x)/4

12 . x/3 -12 . x+1/2 < 12 . 1 -x /4

4x - 6 (x+1) < 3 (1-x)

4x -6x +6 < 3 -3x

-2x - 6< 3 -3x

-2x +3x < 3 +6

x< 9