Question

1) Resolva as seguintes inequações,
c)2(x+3) > 3 (1 - x)
d) 3(1 - 2x) < 2(x + 1) + X-7​

Answer 1

c) $2(x+3) > 3 (1 - x)$

$2x+6>3-3x$

$2x+3x>3-6$

$5x>-3$

$x>-\frac{3}{5}$

d) $3(1 - 2x) < 2(x + 1) + x-7$

$3-6x<2x+2+x-7$

$-6x-2x-x<2-7-3$

$-9x<-8$

$9x>8$

$x>\frac{8}{9}$