gente eu não entendi praticamente nada no assunto de equaçao de primeiro grau por favor me ajudem a professora passou umas contas e nao ensinou a faze 6(4-t)-55= -5 (2t+3) e a outra é y-[y-(2-y)-1]= -(1-y)
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Solução!

![y-[y-(2-y)-1]=-(1-y)\\\\
y-[y-2+y-1]=-1+y\\\\
y-[2y-3]=-1+y\\\\
y-2y+3=-1+y\\\\
y-y-2y=-1-3\\\\
-2y=-4\\\\
y=\dfrac{-4}{-2}\\\\
y=2 y-[y-(2-y)-1]=-(1-y)\\\\
y-[y-2+y-1]=-1+y\\\\
y-[2y-3]=-1+y\\\\
y-2y+3=-1+y\\\\
y-y-2y=-1-3\\\\
-2y=-4\\\\
y=\dfrac{-4}{-2}\\\\
y=2](https://tex.z-dn.net/?f=y-%5By-%282-y%29-1%5D%3D-%281-y%29%5C%5C%5C%5C%0Ay-%5By-2%2By-1%5D%3D-1%2By%5C%5C%5C%5C%0Ay-%5B2y-3%5D%3D-1%2By%5C%5C%5C%5C%0Ay-2y%2B3%3D-1%2By%5C%5C%5C%5C%0Ay-y-2y%3D-1-3%5C%5C%5C%5C%0A-2y%3D-4%5C%5C%5C%5C%0A+y%3D%5Cdfrac%7B-4%7D%7B-2%7D%5C%5C%5C%5C%0Ay%3D2+)
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Solução!
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Bons estudos!
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