Question

equação do 1 grau 9a+24-5a=a-3​

Answer 1

$\boxed{\begin{array}{lr} 9a+24-5a=a-3\\4a-a=-3-24\\3a=-27\\a=\dfrac{-27}{3}\\\\\boxed{\begin{array}{lr} a=-9\ \ \checkmark \end{array}} \end{array}}$

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