Question

3.Responda(calculos pfv preciso pra agora):
a.-2-6-7-9+4=
b.(-4+6)*(-2+6)+6=
c.1/4+3/5=
d.-100+50-200+(-100)=

4.Resolva as expressões algébricas:
a.-2x-4x+6x+10x-15x=
b.2a-4a+5a+2b-4b=
c.2x+x+x-3y+4y+6y=
d.3(2x+3x)-6x+10x=
e.6x/-2x/4=

Answer 1

3.Responda(calculos pfv preciso pra agora):
a.-2-6-7-9+4=-24+4= -20
b.(-4+6)*(-2+6)+6=2 × 4 + 6 = 8+6 =14
c.1/4+3/5=5/20 + 12/20 = 17/20
d.-100+50-200+(-100)= -250-100=-350

4.Resolva as expressões algébricas:
a.-2x-4x+6x+10x-15x= -5x
b.2a-4a+5a+2b-4b= 3a - 2b
c.2x+x+x-3y+4y+6y=4x +7y
d.3(2x+3x)-6x+10x=6x+9x-6x+10x = 19x
e.6x/-2x/4= ????