Question

resolva esta equaçao. x+4/3=x+3/4

Answer 1

$\frac{x+4}{3} = \frac{x+3}{4} \\ \\ 4*(x+4)=3*(x+3) \\ 4x+16=3x+9 \\ 4x-3x=9-16 \\ x=-7$

Answer 2

x + 4  =  x + 3
   3            4

4(x + 4) = 3(x + 3)
4x + 16 = 3x + 9
4x - 3x = 9 - 16
x = - 7