Question

A raiz quadrada da equacao 1/5(2x+4)=2/3(x+2)

Answer 1

1/5(2x+4)=2/3(x+2)
5.1/5(2x+4)=5.2/3(x+2)
1(2x+4)=10/3(x+2)
2x+4=10/3x+20/3
2x+4=10x+20
2x-10x=20-4
-8x=16
x=16/-8
x=-2
√-2
raiz inexistente