Question

Podem me ajudar a responder

Answer 1

Resposta:

h)

a/6=2/3-1

a=6*(2/3-1)

a=4-6

a=-2

i)

5=(a+2)/3

15=a+2

a=15-2=13

j)

2e/3+1=e+2

multiplique tudo por 3

2e+3=3e+6

3-6=3e-2e

-3=e

e=-3

k)

(m-7)/5=m-3

(m-7)=5*(m-3)

m-7 =5m-15

15-7=5m-m

8=4m

m=2

l)

(2x-3)/4=x+1

2x-3=4*(x+1)

2x-3=4x+4

-3-4=4x-2x

-7=2x

x=-7/2