Question

40 + 2(2x +10) -2(x+10)>2(-x+5)-x+10
a) x>-2
b) x> -3
c) x> -4
d) x>-5

Answer 1

Explicação passo-a-passo:

40 + 2(2x +10) -2(x+10)>2(-x+5)-x+10

40+(2.2x)+(2.10)+(-2.x)+(-2.10)>(2.-x)+(2.5)-x+10

40+4x+20-2x-20>-2x+10-x+10

4x-2x+x>10+10-40+20-20

3x>-20

x>-20/3