Question

qual o valor de x:?
x+7/4 = 11-x/2

Answer 1

$\dfrac{x+7}{4} = \dfrac{11-x}{2} ~~\to~~Multiplique~~Cruzado:\\\\\\ 2(x+7)=4(11-x)\to \\\\2x+14=44-4x\to \\\\ 2x+4x=44-14\to \\\\ 6x=30\to \\\\ x= \dfrac{30}{6} \to \\\\ \boxed{x=5}$