Question

resolva as equaçoes
a)x/2=6
b)y/2=-1
c)x/3=-3
d)y/3=3/2
e)x/3=7
f)y/4=8
g)x/2=1/3
h)y/5=1/3

me ajudem por favor​

Answer 1

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$\boxed{\begin{array}{l}\rm a)~\sf\dfrac{x}{2}=6\\\sf x=2\cdot6\\\sf x=12\\\rm b)~\sf\dfrac{y}{2}=-1\\\sf y=2\cdot(-1)\\\sf y=-2\\\rm c)~\sf\dfrac{x}{3}=-3\\\sf x=3\cdot(-3)\\\sf x=-9\\\rm d)~\sf\dfrac{y}{3}=\dfrac{3}{2}\\\sf 2y=9\\\sf y=\dfrac{9}{2}\end{array}}$

$\boxed{\begin{array}{l}\rm e)~\sf\dfrac{x}{3}=7\\\sf x=3\cdot7\\\sf x=21\\\rm f)~\sf\dfrac{y}{4}=8\\\sf y=4\cdot8\\\sf y=32\\\rm g)~\sf\dfrac{x}{2}=\dfrac{1}{3}\\\sf 3x=2\\\sf x=\dfrac{2}{3}\\\rm h)~\sf\dfrac{y}{5}=\dfrac{1}{3}\\\sf 3y=5\\\sf y=\dfrac{5}{3}\end{array}}$