Question

4) x+3 = 2x - 4, qual o valor de x? *
2 pontos

a) 1/2

b) 0

c) -1

d) 1

e) Outro:

Answer 1

$x+3=2x-4$

$2x-4=x+3$

$2x-x=3+4$

$x=7$