Question

Ajuda pfv, preciso muito de ajuda ​

Answer 1

Explicação passo-a-passo:

1)

b)

$x-4<3\\x<3+4\\x<7$

c)

$x+6\geq 5\\x\geq 5-6\\x\geq -1$

d)

$x+9\leq -1\\x\leq -1-9\\x\leq -10$

e)

$x+28\leq 11\\x\leq 11-28\\x\leq -17$

f)

$x-109<5\\x<5+109\\x<114$

g)

$x-39>-79\\x>-79+39\\x>-40$

h)

$x+20\geq 15\\x\geq 15-20\\x\geq -5$

2)

b)

$2x\geq 14\\x\geq 14:2\\x\geq 7$

c)

$4x>-12\\x>-12:4\\x>-3$

d)

$7x>-21\\x>-21:7\\x>-3$

e)

$4x>24\\x>24:4\\x>6$

h)

$5x<50\\x<50:5\\x<10$

g)

$8x\geq -56\\x\geq -56:8\\x\geq -7$

h)

$9x\leq -81\\x\leq -81:9\\x\leq -9$

3)

b)

$-2x-7>-11\\-2x>-4\\x<2$

c)

$-3x+5\leq 26\\-3x\leq 21\\x\geq -7$

d)

$-3x+1<-8\\-3x<-9\\x>3$

e)

$-4x-3\leq 13\\-4x\leq 16\\x\geq -4$

f)

$-4x-9<27\\-4x<36\\x>-9$

g)

$-5x-1>59\\-5x>60\\x<12$

h)

$-10x+3\geq 73\\-10x\geq 70\\x\leq -7$