Question

3) Resolva as expressões algébricas:
a) 2x+4x=36
b) 8y-5y= 27
c) 2(x+2)= -18
d) 7x-40=-9
e) x+x+4
f) 25= 5x

Answer 1

Resposta:

a) 2x+4x=36

6x=36

x=6

b) 8y-5y=27

3y=27

y=9

c) 2(x+2)=-18

2x+4=-18

2x=-18-4

2x=-22

x= -11

d) 7x-40=-9

7x=-9+40

7x=31

x=4,428...

e)

f) 25=5x

5=x

Desculpe se estiver errado